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• 1. [Article] A pilot project to evaluate efficacy of aerially applied nucleopolyhedrosis virus on Douglas-fir tussock moth in Northern Idaho, 1985 : progress report

  Citation × Citation Citation Abstract Copy Title: A pilot project to evaluate efficacy of aerially applied nucleopolyhedrosis virus on Douglas-fir tussock moth in Northern Idaho, 1985 : progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Stipe, Lawrence E., Livingston, R. Ladd Title: A pilot project to evaluate efficacy of aerially applied nucleopolyhedrosis virus on Douglas-fir tussock moth in Northern Idaho, 1985 : progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Stipe, Lawrence E., Livingston, R. Ladd Close

• 2. [Article] Incorporating insect and disease considerations into the planning process on the Flathead National Forest

  Citation × Citation Citation Abstract Copy Title: Incorporating insect and disease considerations into the planning process on the Flathead National Forest Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Byler, James W. Title: Incorporating insect and disease considerations into the planning process on the Flathead National Forest Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Byler, James W. Close

• 3. [Article] Status of mountain pine beetle, Northern Region, 1982

  Citation × Citation Citation Abstract Copy Title: Status of mountain pine beetle, Northern Region, 1982 Author: United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management, Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., McGregor, Mark D. Title: Status of mountain pine beetle, Northern Region, 1982 Author: United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management, Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., McGregor, Mark D. Close

• 4. [Article] Observations of impact on the Nezperce National Forest caused by the Douglas-fir tussock moth

  Citation × Citation Citation Abstract Copy Title: Observations of impact on the Nezperce National Forest caused by the Douglas-fir tussock moth Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Ward, James D. Title: Observations of impact on the Nezperce National Forest caused by the Douglas-fir tussock moth Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Ward, James D. Close

• 5. [Article] A pine butterfly impact survey on the Bitterroot National Forest and state of Montana lands, 1973

  Citation × Citation Citation Abstract Copy Title: A pine butterfly impact survey on the Bitterroot National Forest and state of Montana lands, 1973 Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry Title: A pine butterfly impact survey on the Bitterroot National Forest and state of Montana lands, 1973 Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry Close

• 6. [Article] Evaluation of pine butterfly infestations on the Flathead Indian Reservation, Montana, 1977

  Citation × Citation Citation Abstract Copy Title: Evaluation of pine butterfly infestations on the Flathead Indian Reservation, Montana, 1977 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Title: Evaluation of pine butterfly infestations on the Flathead Indian Reservation, Montana, 1977 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Close

• 7. [Article] Some observations on the impact of western spruce budworm on the Clearwater National Forest, Idaho

  Citation × Citation Citation Abstract Copy Title: Some observations on the impact of western spruce budworm on the Clearwater National Forest, Idaho Author: Dewey, Jerald E., Underwood, P. W., United States. Forest Service. Northern Region. State & Private Forestry, Franc, G. C. Title: Some observations on the impact of western spruce budworm on the Clearwater National Forest, Idaho Author: Dewey, Jerald E., Underwood, P. W., United States. Forest Service. Northern Region. State & Private Forestry, Franc, G. C. Close

• 8. [Article] Impact of spruce budworm on the Nezperce National Forest, Idaho, 1976

  Citation × Citation Citation Abstract Copy Title: Impact of spruce budworm on the Nezperce National Forest, Idaho, 1976 Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Williams, Ralph E. Title: Impact of spruce budworm on the Nezperce National Forest, Idaho, 1976 Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Williams, Ralph E. Close

• 9. [Article] Evaluation of pine bark beetle infestations on Blue Mountain, Missoula District, Lolo National Forest, Montana

  Citation × Citation Citation Abstract Copy Title: Evaluation of pine bark beetle infestations on Blue Mountain, Missoula District, Lolo National Forest, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Ciesla, William M. Title: Evaluation of pine bark beetle infestations on Blue Mountain, Missoula District, Lolo National Forest, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Ciesla, William M. Close

• 10. [Article] A western spruce budworm impact survey on the Clearwater National Forest

  Citation × Citation Citation Abstract Copy Title: A western spruce budworm impact survey on the Clearwater National Forest Author: Dewey, Jerald E., Franc, G. C., United States. Forest Service. Northern Region. State & Private Forestry, Underwood, P. W. Title: A western spruce budworm impact survey on the Clearwater National Forest Author: Dewey, Jerald E., Franc, G. C., United States. Forest Service. Northern Region. State & Private Forestry, Underwood, P. W. Close

• 11. [Article] Fluoride in vegetation near a phosphorous manufacturing plant in the vicinity of Butte, Montana

  Citation × Citation Citation Abstract Copy Title: Fluoride in vegetation near a phosphorous manufacturing plant in the vicinity of Butte, Montana Author: Carlson, Clinton E., United States. Forest Service. Northern Region. State & Private Forestry Title: Fluoride in vegetation near a phosphorous manufacturing plant in the vicinity of Butte, Montana Author: Carlson, Clinton E., United States. Forest Service. Northern Region. State & Private Forestry Close

• 12. [Article] Evaluation of a proposed supplemental dwarf mistletoe control project, Flathead Indian Reservation, Montana

  Many nonmerchantable trees on proposed control areas in the Flathead Reservation are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a proposed supplemental dwarf mistletoe control project, Flathead Indian Reservation, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Many nonmerchantable trees on proposed control areas in the Flathead Reservation are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and economically sound. Title: Evaluation of a proposed supplemental dwarf mistletoe control project, Flathead Indian Reservation, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Many nonmerchantable trees on proposed control areas in the Flathead Reservation are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and economically sound. Close

• 13. [Article] Evaluation of proposed dwarf mistletoe control projects for fiscal years 1976-1980, Flathead Indian Reservation, Montana

  Many understory trees on proposed control areas are lightly to moderately infested with dwarf mistletoe. Control by thinning/ sanitation after logging will reduce infestations to a tolerable level and ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe control projects for fiscal years 1976-1980, Flathead Indian Reservation, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Haglund, Steve Many understory trees on proposed control areas are lightly to moderately infested with dwarf mistletoe. Control by thinning/ sanitation after logging will reduce infestations to a tolerable level and significantly increase volume yields in the future. The cost-benefit ratio of control is favorable. Title: Evaluation of proposed dwarf mistletoe control projects for fiscal years 1976-1980, Flathead Indian Reservation, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Haglund, Steve Many understory trees on proposed control areas are lightly to moderately infested with dwarf mistletoe. Control by thinning/ sanitation after logging will reduce infestations to a tolerable level and significantly increase volume yields in the future. The cost-benefit ratio of control is favorable. Close

• 14. [Article] Evaluation of proposed dwarf mistletoe control projects for fiscal years 1976-1986, Upper Willow Creek, Philipsburg Planning Unit, Missoula District, Bureau of Land Management

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe control projects for fiscal years 1976-1986, Upper Willow Creek, Philipsburg Planning Unit, Missoula District, Bureau of Land Management Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Title: Evaluation of proposed dwarf mistletoe control projects for fiscal years 1976-1986, Upper Willow Creek, Philipsburg Planning Unit, Missoula District, Bureau of Land Management Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Close

• 15. [Article] Western spruce budworm impact evaluation, Yoosa Creek, Clearwater National Forest, Idaho, 1974

  Citation × Citation Citation Abstract Copy Title: Western spruce budworm impact evaluation, Yoosa Creek, Clearwater National Forest, Idaho, 1974 Author: Underwood, P. W., United States. Forest Service. Northern Region. State & Private Forestry, Lood, Rudolph C., Bousfield, Wayne E. Title: Western spruce budworm impact evaluation, Yoosa Creek, Clearwater National Forest, Idaho, 1974 Author: Underwood, P. W., United States. Forest Service. Northern Region. State & Private Forestry, Lood, Rudolph C., Bousfield, Wayne E. Close

• 16. [Article] Evaluation of proposed dwarf mistletoe management projects on the Swan Lake Ranger District, Flathead National Forest

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe management projects on the Swan Lake Ranger District, Flathead National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Title: Evaluation of proposed dwarf mistletoe management projects on the Swan Lake Ranger District, Flathead National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Close

• 17. [Article] Results of damage surveys in young Northern Region plantations

  Citation × Citation Citation Abstract Copy Title: Results of damage surveys in young Northern Region plantations Author: United States. Forest Service. Northern Region. State & Private Forestry, Hard, John S., Rice, John Leslie Title: Results of damage surveys in young Northern Region plantations Author: United States. Forest Service. Northern Region. State & Private Forestry, Hard, John S., Rice, John Leslie Close

• 18. [Article] Pilot project of carbaryl and trichlorfon against the western spruce budworm : Beaverhead National Forest, Montana

  Citation × Citation Citation Abstract Copy Title: Pilot project of carbaryl and trichlorfon against the western spruce budworm : Beaverhead National Forest, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Flavell, Thomas H. Title: Pilot project of carbaryl and trichlorfon against the western spruce budworm : Beaverhead National Forest, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Flavell, Thomas H. Close

• 19. [Article] Bark beetle conditions, Northern Region, 1978

  Citation × Citation Citation Abstract Copy Title: Bark beetle conditions, Northern Region, 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), McGregor, Mark D., Bennett, D. D. Title: Bark beetle conditions, Northern Region, 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), McGregor, Mark D., Bennett, D. D. Close

• 20. [Article] Regional summary of forest insects and diseases, 1979

  Citation × Citation Citation Abstract Copy Title: Regional summary of forest insects and diseases, 1979 Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Title: Regional summary of forest insects and diseases, 1979 Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Close

• 21. [Article] Evaluation of dwarf mistletoe control projects, Garnet Resource Area, Bureau of Land Management

  Citation × Citation Citation Abstract Copy Title: Evaluation of dwarf mistletoe control projects, Garnet Resource Area, Bureau of Land Management Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Title: Evaluation of dwarf mistletoe control projects, Garnet Resource Area, Bureau of Land Management Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Close

• 22. [Article] Evaluation of spruce beetle, Glacier View Ranger District, Flathead National Forest, 1981

  Citation × Citation Citation Abstract Copy Title: Evaluation of spruce beetle, Glacier View Ranger District, Flathead National Forest, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D. Title: Evaluation of spruce beetle, Glacier View Ranger District, Flathead National Forest, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D. Close

• 23. [Article] Evaluation of spruce beetle in the Blue Joe Creek drainage, Bonners Ferry Ranger District, Idaho Panhandle National Forests, 1981

  Citation × Citation Citation Abstract Copy Title: Evaluation of spruce beetle in the Blue Joe Creek drainage, Bonners Ferry Ranger District, Idaho Panhandle National Forests, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Gibson, K. E. (Kenneth E.) Title: Evaluation of spruce beetle in the Blue Joe Creek drainage, Bonners Ferry Ranger District, Idaho Panhandle National Forests, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Gibson, K. E. (Kenneth E.) Close

• 24. [Article] Status of mountain pine beetle infestations, Northern Region, 1984

  Citation × Citation Citation Abstract Copy Title: Status of mountain pine beetle infestations, Northern Region, 1984 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Title: Status of mountain pine beetle infestations, Northern Region, 1984 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Close

• 25. [Article] Results of western hemlock looper egg survey

  Citation × Citation Citation Abstract Copy Title: Results of western hemlock looper egg survey Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Livingston, R. Ladd Title: Results of western hemlock looper egg survey Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Livingston, R. Ladd Close

• 26. [Article] Status of Douglas-fir tussock moth infestations in the northern region, 1973

  Citation × Citation Citation Abstract Copy Title: Status of Douglas-fir tussock moth infestations in the northern region, 1973 Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Title: Status of Douglas-fir tussock moth infestations in the northern region, 1973 Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Close

• 27. [Article] Status of the variable oak leaf caterpillar in North Dakota, 1973

  Citation × Citation Citation Abstract Copy Title: Status of the variable oak leaf caterpillar in North Dakota, 1973 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry Title: Status of the variable oak leaf caterpillar in North Dakota, 1973 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry Close

• 28. [Article] Dutch elm disease in Montana

  Citation × Citation Citation Abstract Copy Title: Dutch elm disease in Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve, Marks, Gerald Title: Dutch elm disease in Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve, Marks, Gerald Close

• 29. [Article] A pine butterfly impact survey on the Bitterroot National Forest and state of Montana lands, 1972

  Citation × Citation Citation Abstract Copy Title: A pine butterfly impact survey on the Bitterroot National Forest and state of Montana lands, 1972 Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry Title: A pine butterfly impact survey on the Bitterroot National Forest and state of Montana lands, 1972 Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry Close

• 30. [Article] Potential for defoliation by pine butterfly in the Bitterroot and Missoula Valleys, Montana in 1974

  Citation × Citation Citation Abstract Copy Title: Potential for defoliation by pine butterfly in the Bitterroot and Missoula Valleys, Montana in 1974 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Ciesla, William M. Title: Potential for defoliation by pine butterfly in the Bitterroot and Missoula Valleys, Montana in 1974 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Ciesla, William M. Close

• 31. [Article] Evaluation of mountain pine beetle infestation, Wolf Mountains, Crow Indian Reservation, Montana, 1973

  Citation × Citation Citation Abstract Copy Title: Evaluation of mountain pine beetle infestation, Wolf Mountains, Crow Indian Reservation, Montana, 1973 Author: McGregor, Mark D., Kohler, Steve, United States. Forest Service. Northern Region. State & Private Forestry Title: Evaluation of mountain pine beetle infestation, Wolf Mountains, Crow Indian Reservation, Montana, 1973 Author: McGregor, Mark D., Kohler, Steve, United States. Forest Service. Northern Region. State & Private Forestry Close

• 32. [Article] Evaluation of a western false hemlock looper infestation in the upper Flathead Valley, Montana

  Citation × Citation Citation Abstract Copy Title: Evaluation of a western false hemlock looper infestation in the upper Flathead Valley, Montana Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Title: Evaluation of a western false hemlock looper infestation in the upper Flathead Valley, Montana Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Close

• 33. [Article] Status of western false hemlock looper infestation in the upper Flathead Valley, Montana

  Citation × Citation Citation Abstract Copy Title: Status of western false hemlock looper infestation in the upper Flathead Valley, Montana Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Title: Status of western false hemlock looper infestation in the upper Flathead Valley, Montana Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Close

• 34. [Article] Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report

  Citation × Citation Citation Abstract Copy Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Close

• 35. [Article] Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, Montana : progress report, 1976

  Citation × Citation Citation Abstract Copy Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, Montana : progress report, 1976 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Hamel, Dennis R., McGregor, Mark D. Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Gallatin National Forest, Montana : progress report, 1976 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Hamel, Dennis R., McGregor, Mark D. Close

• 36. [Article] Remeasurement of western spruce budworm damage areas on the Clearwater National Forest, Idaho, 1978

  Citation × Citation Citation Abstract Copy Title: Remeasurement of western spruce budworm damage areas on the Clearwater National Forest, Idaho, 1978 Author: Franc, G. C., United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. Title: Remeasurement of western spruce budworm damage areas on the Clearwater National Forest, Idaho, 1978 Author: Franc, G. C., United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. Close

• 37. [Article] A ponderosa pine needle miner outbreak in the Flathead Indian Reservation and Missoula Valley and potential defoliation for 1978

  Citation × Citation Citation Abstract Copy Title: A ponderosa pine needle miner outbreak in the Flathead Indian Reservation and Missoula Valley and potential defoliation for 1978 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Title: A ponderosa pine needle miner outbreak in the Flathead Indian Reservation and Missoula Valley and potential defoliation for 1978 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Close

• 38. [Article] Potential pine butterfly defoliation in 1978 in western Montana

  Citation × Citation Citation Abstract Copy Title: Potential pine butterfly defoliation in 1978 in western Montana Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Title: Potential pine butterfly defoliation in 1978 in western Montana Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Close

• 39. [Article] A demonstration of basal area cutting to manage mountain pine beetle in second-growth ponderosa pine : progress report no. 1

  Citation × Citation Citation Abstract Copy Title: A demonstration of basal area cutting to manage mountain pine beetle in second-growth ponderosa pine : progress report no. 1 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D., Bennett, D. D. Title: A demonstration of basal area cutting to manage mountain pine beetle in second-growth ponderosa pine : progress report no. 1 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D., Bennett, D. D. Close

• 40. [Article] Detection survey for Douglas-fir tussock moth infestations in the northern region, 1972

  Citation × Citation Citation Abstract Copy Title: Detection survey for Douglas-fir tussock moth infestations in the northern region, 1972 Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Title: Detection survey for Douglas-fir tussock moth infestations in the northern region, 1972 Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Close

• 41. [Article] Status of the variable oak leaf caterpillar in North Dakota, 1972

  Citation × Citation Citation Abstract Copy Title: Status of the variable oak leaf caterpillar in North Dakota, 1972 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry Title: Status of the variable oak leaf caterpillar in North Dakota, 1972 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry Close

• 42. [Article] Cultural control of mountain pine beetle in second-growth ponderosa pine stands, Lolo National Forest : proceedings of a meeting held March 16, 1973, Forest Service Auditorium, Missoula, Montana

  Citation × Citation Citation Abstract Copy Title: Cultural control of mountain pine beetle in second-growth ponderosa pine stands, Lolo National Forest : proceedings of a meeting held March 16, 1973, Forest Service Auditorium, Missoula, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry Title: Cultural control of mountain pine beetle in second-growth ponderosa pine stands, Lolo National Forest : proceedings of a meeting held March 16, 1973, Forest Service Auditorium, Missoula, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry Close

• 43. [Article] A pine sawfly outbreak on the Kootenai National Forest, Montana

  Citation × Citation Citation Abstract Copy Title: A pine sawfly outbreak on the Kootenai National Forest, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Ciesla, William M. Title: A pine sawfly outbreak on the Kootenai National Forest, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Ciesla, William M. Close

• 44. [Article] Winter damage to ponderosa pine near Missoula, Montana

  Citation × Citation Citation Abstract Copy Title: Winter damage to ponderosa pine near Missoula, Montana Author: Carlson, Clinton E., Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry Title: Winter damage to ponderosa pine near Missoula, Montana Author: Carlson, Clinton E., Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry Close

• 45. [Article] Impact of egg viability, egg parasitism, and virus on 1974 Douglas-fir tussock moth defoliation potential in northern Idaho

  Citation × Citation Citation Abstract Copy Title: Impact of egg viability, egg parasitism, and virus on 1974 Douglas-fir tussock moth defoliation potential in northern Idaho Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Tunnock, Scott, Livingston, R. Ladd Title: Impact of egg viability, egg parasitism, and virus on 1974 Douglas-fir tussock moth defoliation potential in northern Idaho Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Tunnock, Scott, Livingston, R. Ladd Close

• 46. [Article] Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973

  Citation × Citation Citation Abstract Copy Title: Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Title: Status of mountain pine beetle, Gallatin District, Gallatin National Forest, 1973 Author: McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Close

• 47. [Article] Survey of hardwood defoliation in the Turtle Mountains, North Dakota

  A looper, probably the Bruce spanworm, Operophtera bruceata (Hulst), defoliated more than 15,650 acres of quaking aspen in the Turtle Mountains of North Dakota in the spring of 1973.

  Citation × Citation Citation Abstract Copy Title: Survey of hardwood defoliation in the Turtle Mountains, North Dakota Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott A looper, probably the Bruce spanworm, Operophtera bruceata (Hulst), defoliated more than 15,650 acres of quaking aspen in the Turtle Mountains of North Dakota in the spring of 1973. Title: Survey of hardwood defoliation in the Turtle Mountains, North Dakota Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott A looper, probably the Bruce spanworm, Operophtera bruceata (Hulst), defoliated more than 15,650 acres of quaking aspen in the Turtle Mountains of North Dakota in the spring of 1973. Close

• 48. [Article] Evaluation of sulfur dioxide injury to vegetation on federal lands near the Anaconda copper smelter at Anaconda, Montana

  Citation × Citation Citation Abstract Copy Title: Evaluation of sulfur dioxide injury to vegetation on federal lands near the Anaconda copper smelter at Anaconda, Montana Author: Carlson, Clinton E., United States. Forest Service. Northern Region. State & Private Forestry Title: Evaluation of sulfur dioxide injury to vegetation on federal lands near the Anaconda copper smelter at Anaconda, Montana Author: Carlson, Clinton E., United States. Forest Service. Northern Region. State & Private Forestry Close

• 49. [Article] Status of the western false hemlock looper infestation in the Upper Flathead Valley, Montana, 1974

  Citation × Citation Citation Abstract Copy Title: Status of the western false hemlock looper infestation in the Upper Flathead Valley, Montana, 1974 Author: Dewey, Jerald E., Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Title: Status of the western false hemlock looper infestation in the Upper Flathead Valley, Montana, 1974 Author: Dewey, Jerald E., Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Close

• 50. [Article] Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : establishment report

  Citation × Citation Citation Abstract Copy Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : establishment report Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Hamel, Dennis R. Title: Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : establishment report Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Hamel, Dennis R. Close

• 51. [Article] R-1 forest insect and disease damage survey system

  Citation × Citation Citation Abstract Copy Title: R-1 forest insect and disease damage survey system Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. Title: R-1 forest insect and disease damage survey system Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. Close

• 52. [Article] Damage caused by the Douglas-fir tussock moth on portions of the Nezperce National Forest, 1977

  Citation × Citation Citation Abstract Copy Title: Damage caused by the Douglas-fir tussock moth on portions of the Nezperce National Forest, 1977 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Bousfield, Wayne E. Title: Damage caused by the Douglas-fir tussock moth on portions of the Nezperce National Forest, 1977 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Bousfield, Wayne E. Close

• 53. [Article] The effect of low-level sulfur dioxide on sensitive vegetation : a background document for use in assessing air quality redesignation for primitive areas as required by the Clean Air Act Amendments of 1977 (P.L. 95-95)

  Citation × Citation Citation Abstract Copy Title: The effect of low-level sulfur dioxide on sensitive vegetation : a background document for use in assessing air quality redesignation for primitive areas as required by the Clean Air Act Amendments of 1977 (P.L. 95-95) Author: Carlson, Clinton E., United States. Forest Service. Northern Region. State & Private Forestry, Walsh, Natalie Title: The effect of low-level sulfur dioxide on sensitive vegetation : a background document for use in assessing air quality redesignation for primitive areas as required by the Clean Air Act Amendments of 1977 (P.L. 95-95) Author: Carlson, Clinton E., United States. Forest Service. Northern Region. State & Private Forestry, Walsh, Natalie Close

• 54. [Article] Mountain pine beetle infestations in the northern region during 1985

  Citation × Citation Citation Abstract Copy Title: Mountain pine beetle infestations in the northern region during 1985 Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Title: Mountain pine beetle infestations in the northern region during 1985 Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Close

• 55. [Article] Users guide and documentation for insect and disease damage survey (INDIDS)

  Citation × Citation Citation Abstract Copy Title: Users guide and documentation for insect and disease damage survey (INDIDS) Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Eder, Robert G., Bennett, D. D. Title: Users guide and documentation for insect and disease damage survey (INDIDS) Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E., Eder, Robert G., Bennett, D. D. Close

• 56. [Article] Parasite complex of the larch casebearer in Idaho and Montana progress report

  Citation × Citation Citation Abstract Copy Title: Parasite complex of the larch casebearer in Idaho and Montana progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, Niwa, Christine Gail, Hard, John S. Title: Parasite complex of the larch casebearer in Idaho and Montana progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, Niwa, Christine Gail, Hard, John S. Close

• 57. [Article] Summary of forest insect and disease conditions in the Northern Region, 1980

  Citation × Citation Citation Abstract Copy Title: Summary of forest insect and disease conditions in the Northern Region, 1980 Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry, James, Robert L. Title: Summary of forest insect and disease conditions in the Northern Region, 1980 Author: Dewey, Jerald E., United States. Forest Service. Northern Region. State & Private Forestry, James, Robert L. Close

• 58. [Article] Evaluation of proposed supplemental dwarf mistletoe control project, Flathead Indian Reservation

  Many nonmerchantable trees on the proposed control areas are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and economically s...

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed supplemental dwarf mistletoe control project, Flathead Indian Reservation Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Haglund, Steve, Miller, Bob Many nonmerchantable trees on the proposed control areas are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and economically sound. Title: Evaluation of proposed supplemental dwarf mistletoe control project, Flathead Indian Reservation Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Haglund, Steve, Miller, Bob Many nonmerchantable trees on the proposed control areas are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and economically sound. Close

• 59. [Article] Evaluation of forest insect conditions on the National Bison Range, Moiese, Montana

  An evaluation of forest insect conditions on the National Bison Range at Moiese, Montana, was made on August 28, 1972.

  Citation × Citation Citation Abstract Copy Title: Evaluation of forest insect conditions on the National Bison Range, Moiese, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. An evaluation of forest insect conditions on the National Bison Range at Moiese, Montana, was made on August 28, 1972. Title: Evaluation of forest insect conditions on the National Bison Range, Moiese, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. An evaluation of forest insect conditions on the National Bison Range at Moiese, Montana, was made on August 28, 1972. Close

• 60. [Article] A demonstration of lodgepole pine management to prevent mountain pine beetle outbreaks, Yaak and Thompson River drainages : progress report

  Citation × Citation Citation Abstract Copy Title: A demonstration of lodgepole pine management to prevent mountain pine beetle outbreaks, Yaak and Thompson River drainages : progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D. Title: A demonstration of lodgepole pine management to prevent mountain pine beetle outbreaks, Yaak and Thompson River drainages : progress report Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D. Close

• 61. [Article] Evaluation of proposed dwarf mistletoe management projects on the White Sulphur Springs Ranger District, Lewis & Clark National Forest

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe management projects on the White Sulphur Springs Ranger District, Lewis & Clark National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Title: Evaluation of proposed dwarf mistletoe management projects on the White Sulphur Springs Ranger District, Lewis & Clark National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Close

• 62. [Article] Western spruce budworm in the Northern Region in 1977 and predictions for defoliation in 1978

  Citation × Citation Citation Abstract Copy Title: Western spruce budworm in the Northern Region in 1977 and predictions for defoliation in 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Flavell, Thomas H. Title: Western spruce budworm in the Northern Region in 1977 and predictions for defoliation in 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Flavell, Thomas H. Close

• 63. [Article] Engelmann spruce needle and twig blight at the Coeur d'Alene Nursery, Idaho

  Citation × Citation Citation Abstract Copy Title: Engelmann spruce needle and twig blight at the Coeur d'Alene Nursery, Idaho Author: United States. Forest Service. Northern Region. State & Private Forestry, James, Robert L. Title: Engelmann spruce needle and twig blight at the Coeur d'Alene Nursery, Idaho Author: United States. Forest Service. Northern Region. State & Private Forestry, James, Robert L. Close

• 64. [Article] Preliminary results of seedling damage surveys in young plantations on selected forests in Region 1

  Citation × Citation Citation Abstract Copy Title: Preliminary results of seedling damage surveys in young plantations on selected forests in Region 1 Author: United States. Forest Service. Northern Region. State & Private Forestry, Hard, John S., Rice, John Leslie Title: Preliminary results of seedling damage surveys in young plantations on selected forests in Region 1 Author: United States. Forest Service. Northern Region. State & Private Forestry, Hard, John S., Rice, John Leslie Close

• 65. [Article] Progress report on spruce budworm damage in Idaho and Montana, 1978

  Citation × Citation Citation Abstract Copy Title: Progress report on spruce budworm damage in Idaho and Montana, 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. Title: Progress report on spruce budworm damage in Idaho and Montana, 1978 Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. Close

• 66. [Article] Color infrared aerial photography for root disease detection in the Northern Region

  "Holes" with dead, dying, and downed trees in the forest canopy could be reliably identified on 9- by 9-inch Kodak Ektachrome Infrared Aero film 2443 as root disease centers. Film scales larger than 1:4000 ...

  Citation × Citation Citation Abstract Copy Title: Color infrared aerial photography for root disease detection in the Northern Region Author: United States. Forest Service. Northern Region. State & Private Forestry, Williams, R. E. "Holes" with dead, dying, and downed trees in the forest canopy could be reliably identified on 9- by 9-inch Kodak Ektachrome Infrared Aero film 2443 as root disease centers. Film scales larger than 1:4000 were best for detection of these "holes." Most commonly occurring causal organisms in root diseased trees were Armillaria mellea and Poria weirii. Although trees in latter stages of decline could be visually identified from photographs, red filter optical density measurements were extremely variable and inconclusive. Title: Color infrared aerial photography for root disease detection in the Northern Region Author: United States. Forest Service. Northern Region. State & Private Forestry, Williams, R. E. "Holes" with dead, dying, and downed trees in the forest canopy could be reliably identified on 9- by 9-inch Kodak Ektachrome Infrared Aero film 2443 as root disease centers. Film scales larger than 1:4000 were best for detection of these "holes." Most commonly occurring causal organisms in root diseased trees were Armillaria mellea and Poria weirii. Although trees in latter stages of decline could be visually identified from photographs, red filter optical density measurements were extremely variable and inconclusive. Close

• 67. [Article] Evaluation of a Douglas-fir tussock moth outbreak in the lower Flathead Valley, Montana

  An aerial survey during 1974 revealed approximately 5,000 acres of various degrees of Douglas-fir tussock moth, Orgyia pseudotsugata McD., defoliation in the lower Flathead Valley. An egg mass survey was ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a Douglas-fir tussock moth outbreak in the lower Flathead Valley, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott An aerial survey during 1974 revealed approximately 5,000 acres of various degrees of Douglas-fir tussock moth, Orgyia pseudotsugata McD., defoliation in the lower Flathead Valley. An egg mass survey was made in September to determine the potential for damage in 1975. Based on new egg mass densities, significant defoliation may occur on 2,880 acres. Title: Evaluation of a Douglas-fir tussock moth outbreak in the lower Flathead Valley, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott An aerial survey during 1974 revealed approximately 5,000 acres of various degrees of Douglas-fir tussock moth, Orgyia pseudotsugata McD., defoliation in the lower Flathead Valley. An egg mass survey was made in September to determine the potential for damage in 1975. Based on new egg mass densities, significant defoliation may occur on 2,880 acres. Close

• 68. [Article] Status of mountain pine beetle on the Bitterroot National Forest, Montana and Idaho, 1974

  Mountain pine beetle activity has increased from about 350 infested trees in 1972 to over 1,200 infested trees in 1974 on the Bitterroot National Forest. The majority of infestation occurs in second-growth, ...

  Citation × Citation Citation Abstract Copy Title: Status of mountain pine beetle on the Bitterroot National Forest, Montana and Idaho, 1974 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Hemel, Dennis R., McGregor, Mark D. Mountain pine beetle activity has increased from about 350 infested trees in 1972 to over 1,200 infested trees in 1974 on the Bitterroot National Forest. The majority of infestation occurs in second-growth, overstocked, ponderosa pine stands in the West Fork Bitterroot drainage. An increase in number of trees killed is expected in 1975. Commercial thinning is encouraged to remove infested trees and improve stand vigor to reduce the infestation to endemic levels. Title: Status of mountain pine beetle on the Bitterroot National Forest, Montana and Idaho, 1974 Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Hemel, Dennis R., McGregor, Mark D. Mountain pine beetle activity has increased from about 350 infested trees in 1972 to over 1,200 infested trees in 1974 on the Bitterroot National Forest. The majority of infestation occurs in second-growth, overstocked, ponderosa pine stands in the West Fork Bitterroot drainage. An increase in number of trees killed is expected in 1975. Commercial thinning is encouraged to remove infested trees and improve stand vigor to reduce the infestation to endemic levels. Close

• 69. [Article] Survey and evaluation of park, cemetery, and street trees, Bozeman, Montana

  Shade tree insect and disease activity within the city limits of Bozeman, Montana, were evaluated. Other than a few minor insects, the park, cemetery, and street trees are in remarkably good condition. Both ...

  Citation × Citation Citation Abstract Copy Title: Survey and evaluation of park, cemetery, and street trees, Bozeman, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Shade tree insect and disease activity within the city limits of Bozeman, Montana, were evaluated. Other than a few minor insects, the park, cemetery, and street trees are in remarkably good condition. Both the Park Department and private homeowners appreciate the value of trees in the urban environment. Recommendations on tree maintenance, removal, and replacement are provided. Title: Survey and evaluation of park, cemetery, and street trees, Bozeman, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Kohler, Steve Shade tree insect and disease activity within the city limits of Bozeman, Montana, were evaluated. Other than a few minor insects, the park, cemetery, and street trees are in remarkably good condition. Both the Park Department and private homeowners appreciate the value of trees in the urban environment. Recommendations on tree maintenance, removal, and replacement are provided. Close

• 70. [Article] Evaluation of proposed dwarf mistletoe and western spruce budworm management projects, Cramer Creek, Garnet Resource Area, Bureau of Land Management

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe and western spruce budworm management projects, Cramer Creek, Garnet Resource Area, Bureau of Land Management Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Title: Evaluation of proposed dwarf mistletoe and western spruce budworm management projects, Cramer Creek, Garnet Resource Area, Bureau of Land Management Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Close

• 71. [Article] A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana

  This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to ...

  Citation × Citation Citation Abstract Copy Title: A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to lessen the severity, or reduce the possibility, of infestations are discussed. Title: A review of selected mountain pine beetle epidemics and the infestation potential for the Tally Lake Ranger District, Flathead National Forest, Montana Author: McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry This report contains a brief history of selected mountain pine beetle infestations and the potential for infestations in high hazard stands on the Tally Lake Ranger District. Management alternatives to lessen the severity, or reduce the possibility, of infestations are discussed. Close

• 72. [Article] Overwintering survival of mountain pine beetle larvae and resultant effects on beetle populations in the Northern Region in 1979

  During December 1978 and January 1979, temperatures reached all-time lows in some parts of Montana. Overwintering mountain pine beetle populations were sampled at 11 sites during February and March 1979. ...

  Citation × Citation Citation Abstract Copy Title: Overwintering survival of mountain pine beetle larvae and resultant effects on beetle populations in the Northern Region in 1979 Author: Bennett, D. D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry During December 1978 and January 1979, temperatures reached all-time lows in some parts of Montana. Overwintering mountain pine beetle populations were sampled at 11 sites during February and March 1979. Effects of the extreme cold varied from site to site, with larval mortality ranging from 6 percent to 100 percent. As a result, beetle populations will likely be reduced substantially in some areas and affected little in others. Title: Overwintering survival of mountain pine beetle larvae and resultant effects on beetle populations in the Northern Region in 1979 Author: Bennett, D. D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry During December 1978 and January 1979, temperatures reached all-time lows in some parts of Montana. Overwintering mountain pine beetle populations were sampled at 11 sites during February and March 1979. Effects of the extreme cold varied from site to site, with larval mortality ranging from 6 percent to 100 percent. As a result, beetle populations will likely be reduced substantially in some areas and affected little in others. Close

• 73. [Article] Dwarf mistletoe loss assessment on the Flathead and Kootenai National Forests, Montana

  Citation × Citation Citation Abstract Copy Title: Dwarf mistletoe loss assessment on the Flathead and Kootenai National Forests, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Eder, Robert G. Title: Dwarf mistletoe loss assessment on the Flathead and Kootenai National Forests, Montana Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Eder, Robert G. Close

• 74. [Article] Evaluation of dwarf mistletoe control projects, Sula and Darby Ranger Districts, Bitterroot National Forest

  Residual Douglas-fir are dwarf mistletoe-infested and pose a threat to regeneration. Felling of these residuals will reduce dwarf mistletoe intensity and increase future volume yields. The benefit/cost ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of dwarf mistletoe control projects, Sula and Darby Ranger Districts, Bitterroot National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual Douglas-fir are dwarf mistletoe-infested and pose a threat to regeneration. Felling of these residuals will reduce dwarf mistletoe intensity and increase future volume yields. The benefit/cost ratio at 4 percent for the current rotation is 0.51/1 on the Sula RD and 0.45/1 on the Darby RD (both negative ratios). Elimination of dwarf mistletoe infestation for several rotations will increase benefits. Value added to the economy cannot be used in benefit/cost analysis, but will be substantial. Control is recommended. Title: Evaluation of dwarf mistletoe control projects, Sula and Darby Ranger Districts, Bitterroot National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual Douglas-fir are dwarf mistletoe-infested and pose a threat to regeneration. Felling of these residuals will reduce dwarf mistletoe intensity and increase future volume yields. The benefit/cost ratio at 4 percent for the current rotation is 0.51/1 on the Sula RD and 0.45/1 on the Darby RD (both negative ratios). Elimination of dwarf mistletoe infestation for several rotations will increase benefits. Value added to the economy cannot be used in benefit/cost analysis, but will be substantial. Control is recommended. Close

• 75. [Article] Needlecasts of Scots pine Christmas trees in western Montana

  Needlecast fungi were found on 95 percent of damage collections in a June survey of Scots pine (Pinus sylvestris) Christmas tree plantations in the Kalispell Basin western Montana. Western gall rust (Endocronartium ...

  Citation × Citation Citation Abstract Copy Title: Needlecasts of Scots pine Christmas trees in western Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Hagle, Susan K., Kissinger, Willard A. Needlecast fungi were found on 95 percent of damage collections in a June survey of Scots pine (Pinus sylvestris) Christmas tree plantations in the Kalispell Basin western Montana. Western gall rust (Endocronartium harknessii) and pine bark aphids (Pineus sp.) were present on 6.6 and 2.5 percent of collections, respectively. Cylcaneusma minus was the most prevalent needlecast pathogen. Type 2 Leptostroma and Lophodermella concolor also were common. Mature apothecia of Lophodermium setitiosum were common in August collections. Control strategies for these needlecast diseases are discussed. Title: Needlecasts of Scots pine Christmas trees in western Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Hagle, Susan K., Kissinger, Willard A. Needlecast fungi were found on 95 percent of damage collections in a June survey of Scots pine (Pinus sylvestris) Christmas tree plantations in the Kalispell Basin western Montana. Western gall rust (Endocronartium harknessii) and pine bark aphids (Pineus sp.) were present on 6.6 and 2.5 percent of collections, respectively. Cylcaneusma minus was the most prevalent needlecast pathogen. Type 2 Leptostroma and Lophodermella concolor also were common. Mature apothecia of Lophodermium setitiosum were common in August collections. Control strategies for these needlecast diseases are discussed. Close

• 76. [Article] Permanent mountain pine beetle population trend plots : an update, 1981

  Six Montana areas in which permanent mountain pine beetle trend plots were established in 1979 were revisited in 1980. Results of the visit show infestation intensity decreased significantly in Centennial ...

  Citation × Citation Citation Abstract Copy Title: Permanent mountain pine beetle population trend plots : an update, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.) Six Montana areas in which permanent mountain pine beetle trend plots were established in 1979 were revisited in 1980. Results of the visit show infestation intensity decreased significantly in Centennial Valley, decreased slightly in the Madison River plot area, and increased almost threefold in the Murr Creek area. Beetle populations remained essentially static in Boulder Creek, Dunsire Creek, and near Spotted Bear. Title: Permanent mountain pine beetle population trend plots : an update, 1981 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.) Six Montana areas in which permanent mountain pine beetle trend plots were established in 1979 were revisited in 1980. Results of the visit show infestation intensity decreased significantly in Centennial Valley, decreased slightly in the Madison River plot area, and increased almost threefold in the Murr Creek area. Beetle populations remained essentially static in Boulder Creek, Dunsire Creek, and near Spotted Bear. Close

• 77. [Article] Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest, and surrounding state and private lands

  The mountain pine beetle, Dendroetonus ponderosae Hopk., has been at epidemic levels in second-growth ponderosa pine stands in the Ninemile area of the Lolo National Forest and surrounding private lands ...

  Citation × Citation Citation Abstract Copy Title: Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest, and surrounding state and private lands Author: McGregor, Mark D., Kohler, Steve, Bousfield, Wayne E., United States. Forest Service. Northern Region. State & Private Forestry The mountain pine beetle, Dendroetonus ponderosae Hopk., has been at epidemic levels in second-growth ponderosa pine stands in the Ninemile area of the Lolo National Forest and surrounding private lands since 1969. An impact survey, using two levels of photography and a small ground sample, was conducted to estimate a loss of 592,469 board feet IP of ponderosa pine on 2,592 acres of infested land. The infestation is expected to continue at about the same level in 1973. Title: Mountain pine beetle impact survey on the Ninemile District, Lolo National Forest, and surrounding state and private lands Author: McGregor, Mark D., Kohler, Steve, Bousfield, Wayne E., United States. Forest Service. Northern Region. State & Private Forestry The mountain pine beetle, Dendroetonus ponderosae Hopk., has been at epidemic levels in second-growth ponderosa pine stands in the Ninemile area of the Lolo National Forest and surrounding private lands since 1969. An impact survey, using two levels of photography and a small ground sample, was conducted to estimate a loss of 592,469 board feet IP of ponderosa pine on 2,592 acres of infested land. The infestation is expected to continue at about the same level in 1973. Close

• 78. [Article] Impact of egg viability, egg parasitism, and virus on 1974 Douglas-fir tussock moth defoliation potential in western Montana

  Douglas-fir tussock moth egg mass studies during winter 1974 indicate that natural factors such as low egg viability, egg parasitism, and virus do not alter the potential for heavy defoliation in two sections south ...

  Citation × Citation Citation Abstract Copy Title: Impact of egg viability, egg parasitism, and virus on 1974 Douglas-fir tussock moth defoliation potential in western Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Douglas-fir tussock moth egg mass studies during winter 1974 indicate that natural factors such as low egg viability, egg parasitism, and virus do not alter the potential for heavy defoliation in two sections south of Frenchtown and one section northwest of Lolo, Montana. Title: Impact of egg viability, egg parasitism, and virus on 1974 Douglas-fir tussock moth defoliation potential in western Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Douglas-fir tussock moth egg mass studies during winter 1974 indicate that natural factors such as low egg viability, egg parasitism, and virus do not alter the potential for heavy defoliation in two sections south of Frenchtown and one section northwest of Lolo, Montana. Close

• 79. [Article] Potential for defoliation by western spruce budworm in Douglas-fir stands in eastern Montana, 1975

  Aerially visible defoliation by the western spruce budworm, Choristoneura occidentalis Freeman, increased from 149,250 acres in 1973 to 649,319 acres in 1974 on five eastern Montana National Forests. An ...

  Citation × Citation Citation Abstract Copy Title: Potential for defoliation by western spruce budworm in Douglas-fir stands in eastern Montana, 1975 Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Aerially visible defoliation by the western spruce budworm, Choristoneura occidentalis Freeman, increased from 149,250 acres in 1973 to 649,319 acres in 1974 on five eastern Montana National Forests. An egg mass survey during the fall of 1974 predicted that additional defoliation will occur in 1975 on 47 of 48 plots located on these Forests. Areas with the highest potential for increasing populations in 1975 are being considered as sites for pilot control projects of several promising chemical and biological insecticides. Title: Potential for defoliation by western spruce budworm in Douglas-fir stands in eastern Montana, 1975 Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott Aerially visible defoliation by the western spruce budworm, Choristoneura occidentalis Freeman, increased from 149,250 acres in 1973 to 649,319 acres in 1974 on five eastern Montana National Forests. An egg mass survey during the fall of 1974 predicted that additional defoliation will occur in 1975 on 47 of 48 plots located on these Forests. Areas with the highest potential for increasing populations in 1975 are being considered as sites for pilot control projects of several promising chemical and biological insecticides. Close

• 80. [Article] Evaluation of mountain pine beetle infestations, Snell Creek and Warland Peak areas, Fisher River District, Kootenai National Forest, Montana

  Mountain pine beetle infestations in the Snell Creek and Warland Peak areas were evaluated in October 1975. Based on current buildup ratios, tree diameter distributions, stand composition and phloem thicknesses, ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of mountain pine beetle infestations, Snell Creek and Warland Peak areas, Fisher River District, Kootenai National Forest, Montana Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Hamel, Dennis R. Mountain pine beetle infestations in the Snell Creek and Warland Peak areas were evaluated in October 1975. Based on current buildup ratios, tree diameter distributions, stand composition and phloem thicknesses, there appears to be limited opportunity for epidemic potential in either area. Management alternatives are discussed. Selective logging is recommended to further decrease epidemic potential and reduce the infestations to endemic status. Title: Evaluation of mountain pine beetle infestations, Snell Creek and Warland Peak areas, Fisher River District, Kootenai National Forest, Montana Author: United States. Forest Service. Northern Region. Forest Environmental Protection, United States. Forest Service. Northern Region. State & Private Forestry, Hamel, Dennis R. Mountain pine beetle infestations in the Snell Creek and Warland Peak areas were evaluated in October 1975. Based on current buildup ratios, tree diameter distributions, stand composition and phloem thicknesses, there appears to be limited opportunity for epidemic potential in either area. Management alternatives are discussed. Selective logging is recommended to further decrease epidemic potential and reduce the infestations to endemic status. Close

• 81. [Article] Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976

  Mountain pine beetle populations developed to epidemic level in lodgepole pine stands in 1973. Approximately 426,355 trees were killed on 3,433 hectares in 1976. Infestations are expected to intensify ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976 Author: McGregor, Mark D., Oakes, Robert D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations developed to epidemic level in lodgepole pine stands in 1973. Approximately 426,355 trees were killed on 3,433 hectares in 1976. Infestations are expected to intensify in areas of current infestation and develop in uninfested stands. It is predicted that 1,722,288 trees will be killed in 1977. Salvage logging of infested trees and silvicultural management to reduce average stand diameter below 20.3 cm d.b.h. are recommended. Title: Evaluation of a mountain pine beetle infestation, Jack Creek Drainage, Madison District, Beaverhead National Forest, Montana, 1976 Author: McGregor, Mark D., Oakes, Robert D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations developed to epidemic level in lodgepole pine stands in 1973. Approximately 426,355 trees were killed on 3,433 hectares in 1976. Infestations are expected to intensify in areas of current infestation and develop in uninfested stands. It is predicted that 1,722,288 trees will be killed in 1977. Salvage logging of infested trees and silvicultural management to reduce average stand diameter below 20.3 cm d.b.h. are recommended. Close

• 82. [Article] Evaluation of proposed dwarf mistletoe management projects on the Sula Ranger District, Bitterroot National Forest

  Residual Douglas-fir in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe management projects on the Sula Ranger District, Bitterroot National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual Douglas-fir in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will effectively reduce dwarf mistletoe to an insignificant level and increase future volume yields. The benefit/cost ratio based on timber values alone is negative, but other benefits outweigh the economic ones. Dwarf mistletoe management is recommended. Title: Evaluation of proposed dwarf mistletoe management projects on the Sula Ranger District, Bitterroot National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual Douglas-fir in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will effectively reduce dwarf mistletoe to an insignificant level and increase future volume yields. The benefit/cost ratio based on timber values alone is negative, but other benefits outweigh the economic ones. Dwarf mistletoe management is recommended. Close

• 83. [Article] Effects of Dipel wettable powder for foliage protection against western spruce budworm 1 and 2 years following aerial application

  This evaluation showed that Bt provided measurable foliage protection 1 year after treatment, but no differences were evident after 2 years. We recommend future Bt tests include postspray population measurements ...

  Citation × Citation Citation Abstract Copy Title: Effects of Dipel wettable powder for foliage protection against western spruce budworm 1 and 2 years following aerial application Author: United States. Forest Service. Northern Region. State & Private Forestry, Flavell, Thomas H., Bousfield, Wayne E. This evaluation showed that Bt provided measurable foliage protection 1 year after treatment, but no differences were evident after 2 years. We recommend future Bt tests include postspray population measurements in the pupal and/or adult, and/or egg stage, and that foliage protection be measured the following year. The effects of Bt on the population should not be evaluated in the same manner as fast-acting insecticides. Title: Effects of Dipel wettable powder for foliage protection against western spruce budworm 1 and 2 years following aerial application Author: United States. Forest Service. Northern Region. State & Private Forestry, Flavell, Thomas H., Bousfield, Wayne E. This evaluation showed that Bt provided measurable foliage protection 1 year after treatment, but no differences were evident after 2 years. We recommend future Bt tests include postspray population measurements in the pupal and/or adult, and/or egg stage, and that foliage protection be measured the following year. The effects of Bt on the population should not be evaluated in the same manner as fast-acting insecticides. Close

• 84. [Article] Guidelines for dwarf mistletoe control in lodgepole pine in the Northern and Central Rocky Mountains

  The lodgepole pine type commonly occurs as an even-aged, singlestoried, and overstocked forest. Dwarf mistletoe is widespread throughout the type and causes growth and quality reduction, reduced seed production, ...

  Citation × Citation Citation Abstract Copy Title: Guidelines for dwarf mistletoe control in lodgepole pine in the Northern and Central Rocky Mountains Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Brown, Doland H. The lodgepole pine type commonly occurs as an even-aged, singlestoried, and overstocked forest. Dwarf mistletoe is widespread throughout the type and causes growth and quality reduction, reduced seed production, and some direct mortality. The land manager has three alternatives where dwarf mistletoe occurs: (1) do nothing, (2) eradicate the stand, or (3) reduce the infestation to a tolerable level. The nature of the disease as an obligate parasite with a restricted potential for spread provides an excellent opportunity for effective control by removal of infected trees as an integral part of silvicultural management. Title: Guidelines for dwarf mistletoe control in lodgepole pine in the Northern and Central Rocky Mountains Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry, Brown, Doland H. The lodgepole pine type commonly occurs as an even-aged, singlestoried, and overstocked forest. Dwarf mistletoe is widespread throughout the type and causes growth and quality reduction, reduced seed production, and some direct mortality. The land manager has three alternatives where dwarf mistletoe occurs: (1) do nothing, (2) eradicate the stand, or (3) reduce the infestation to a tolerable level. The nature of the disease as an obligate parasite with a restricted potential for spread provides an excellent opportunity for effective control by removal of infected trees as an integral part of silvicultural management. Close

• 85. [Article] Yaak and Thompson River demonstration areas to manage mountain pine beetle in lodgepole pine : progress report no. 1

  Citation × Citation Citation Abstract Copy Title: Yaak and Thompson River demonstration areas to manage mountain pine beetle in lodgepole pine : progress report no. 1 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D., Bennett, D. D. Title: Yaak and Thompson River demonstration areas to manage mountain pine beetle in lodgepole pine : progress report no. 1 Author: United States. Forest Service. Northern Region. State & Private Forestry, McGregor, Mark D., Bennett, D. D. Close

• 86. [Article] Monitoring root disease mortality : establishment report

  Two thousand and thirty-nine trees on 213 plots are being monitored yearly for root disease infection and mortality. Three compartments on the Fernan Ranger District of the Idaho Panhandle National Forests ...

  Citation × Citation Citation Abstract Copy Title: Monitoring root disease mortality : establishment report Author: United States. Forest Service. Northern Region. State & Private Forestry, Hagle, Susan K. Two thousand and thirty-nine trees on 213 plots are being monitored yearly for root disease infection and mortality. Three compartments on the Fernan Ranger District of the Idaho Panhandle National Forests are the site of the project. Relationships between factors such as species, aspect, slope, elevation, habitat type, stand appearance on aerial photography, plot root disease severity ratings, and measured volume losses due to root disease mortality are being evaluated. Effective means of judging past and future losses in root disease-affected stands are sought. Title: Monitoring root disease mortality : establishment report Author: United States. Forest Service. Northern Region. State & Private Forestry, Hagle, Susan K. Two thousand and thirty-nine trees on 213 plots are being monitored yearly for root disease infection and mortality. Three compartments on the Fernan Ranger District of the Idaho Panhandle National Forests are the site of the project. Relationships between factors such as species, aspect, slope, elevation, habitat type, stand appearance on aerial photography, plot root disease severity ratings, and measured volume losses due to root disease mortality are being evaluated. Effective means of judging past and future losses in root disease-affected stands are sought. Close

• 87. [Article] Succession functions of forest pathogens and insects : ecosections M332a and M333d in northern Idaho and western Montana

  Citation × Citation Citation Abstract Copy Title: Succession functions of forest pathogens and insects : ecosections M332a and M333d in northern Idaho and western Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Hagle, Susan K., United States. Forest Health Protection Title: Succession functions of forest pathogens and insects : ecosections M332a and M333d in northern Idaho and western Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Hagle, Susan K., United States. Forest Health Protection Close

• 88. [Article] Potential for larch casebearer defoliation in the Northern Region, 1972

  The larch casebearer Coleophora laricella (Hbn.) is now established throughout all western larch stands in Region 1. Population levels have begun to fluctuate in some of the older infested stands; however, it ...

  Citation × Citation Citation Abstract Copy Title: Potential for larch casebearer defoliation in the Northern Region, 1972 Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. The larch casebearer Coleophora laricella (Hbn.) is now established throughout all western larch stands in Region 1. Population levels have begun to fluctuate in some of the older infested stands; however, it is still on the increase in more recently invaded territory. During the past 2 years work was begun to develop a method to forecast defoliation and tg ollow trends of the larch casebearer (Ciesla and Bousfield 1971).111/ The purpose of these evaluations was to establish the relationship between the overwintering population and subsequent defoliation for prediction purposes. Title: Potential for larch casebearer defoliation in the Northern Region, 1972 Author: United States. Forest Service. Northern Region. State & Private Forestry, Bousfield, Wayne E. The larch casebearer Coleophora laricella (Hbn.) is now established throughout all western larch stands in Region 1. Population levels have begun to fluctuate in some of the older infested stands; however, it is still on the increase in more recently invaded territory. During the past 2 years work was begun to develop a method to forecast defoliation and tg ollow trends of the larch casebearer (Ciesla and Bousfield 1971).111/ The purpose of these evaluations was to establish the relationship between the overwintering population and subsequent defoliation for prediction purposes. Close

• 89. [Article] Evaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975

  Mountain pine beetle populations reached epidemic levels in 1972 in the Stoney Creek drainage, Ninemile District, Lolo National Forest, Montana. A total of 8,082 trees with an estimated volume loss of 34,356 ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975 Author: McGregor, Mark D., Shipe, Tilford C., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations reached epidemic levels in 1972 in the Stoney Creek drainage, Ninemile District, Lolo National Forest, Montana. A total of 8,082 trees with an estimated volume loss of 34,356 board feet has occurred from 1972 to 1974. Buildup ratio was 1:1.2 from 1972 to 1973, and 1:1.8 from 1973 to 1974. Losses are expected to increase in 1975. Commercial thinning is recommended in unthinned stands. Title: Evaluation of a mountain pine beetle infestation, Stoney Creek, Ninemile District, Lolo National Forest, 1975 Author: McGregor, Mark D., Shipe, Tilford C., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations reached epidemic levels in 1972 in the Stoney Creek drainage, Ninemile District, Lolo National Forest, Montana. A total of 8,082 trees with an estimated volume loss of 34,356 board feet has occurred from 1972 to 1974. Buildup ratio was 1:1.2 from 1972 to 1973, and 1:1.8 from 1973 to 1974. Losses are expected to increase in 1975. Commercial thinning is recommended in unthinned stands. Close

• 90. [Article] Status of mountain pine beetle infestations, Glacier National Park, 1974

  Mountain pine beetle populations reached epidemic levels on approximately 4,600 acres in Glacier National Park in 1972. Infested trees increased from 4.9 in 1972 to 10.9/acre in 1975. Majority of trees killed ...

  Citation × Citation Citation Abstract Copy Title: Status of mountain pine beetle infestations, Glacier National Park, 1974 Author: United States. Forest Service. Northern Region. Forest Environmental Protection, McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations reached epidemic levels on approximately 4,600 acres in Glacier National Park in 1972. Infested trees increased from 4.9 in 1972 to 10.9/acre in 1975. Majority of trees killed since 1972 were 12 inches d.b.h. and larger in size. Sufficient large diameter lodgepole pine exists to maintain the infestation at epidemic level for several years. Title: Status of mountain pine beetle infestations, Glacier National Park, 1974 Author: United States. Forest Service. Northern Region. Forest Environmental Protection, McGregor, Mark D., United States. Forest Service. Northern Region. State & Private Forestry Mountain pine beetle populations reached epidemic levels on approximately 4,600 acres in Glacier National Park in 1972. Infested trees increased from 4.9 in 1972 to 10.9/acre in 1975. Majority of trees killed since 1972 were 12 inches d.b.h. and larger in size. Sufficient large diameter lodgepole pine exists to maintain the infestation at epidemic level for several years. Close

• 91. [Article] Evaluation of a weevil infestation in thinned lodgepole pine stands, Lewis and Clark National Forest, Montana

  An infestation of a defoliating weevil, Magdalis gentilis LeConte, was reported in July by Hank Manning, Judith Ranger District forester, Lewis and Clark National Forest. The infestation occurs in precommercially thinned ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a weevil infestation in thinned lodgepole pine stands, Lewis and Clark National Forest, Montana Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry An infestation of a defoliating weevil, Magdalis gentilis LeConte, was reported in July by Hank Manning, Judith Ranger District forester, Lewis and Clark National Forest. The infestation occurs in precommercially thinned stands of lodgepole pine, Pinus contorta var./atifblia Engelm. in the Moose Creek drainage. Although damages caused by M. gentilis are relatively uncommon in Region 1 forests, the current problem has existed since 1965 (Fellin 1973). An evaluation of the infestation was made August 14, 1974. Title: Evaluation of a weevil infestation in thinned lodgepole pine stands, Lewis and Clark National Forest, Montana Author: McGregor, Mark D., Hamel, Dennis R., United States. Forest Service. Northern Region. State & Private Forestry An infestation of a defoliating weevil, Magdalis gentilis LeConte, was reported in July by Hank Manning, Judith Ranger District forester, Lewis and Clark National Forest. The infestation occurs in precommercially thinned stands of lodgepole pine, Pinus contorta var./atifblia Engelm. in the Moose Creek drainage. Although damages caused by M. gentilis are relatively uncommon in Region 1 forests, the current problem has existed since 1965 (Fellin 1973). An evaluation of the infestation was made August 14, 1974. Close

• 92. [Article] Evaluation of proposed dwarf mistletoe management projects on the Deerlodge National Forest

  Residual lodgepole pine in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of proposed dwarf mistletoe management projects on the Deerlodge National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual lodgepole pine in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will effectively reduce dwarf mistletoe to an insignificant level and increase future volume yields. The benefit/ cost ratios based on timber values alone are negative for both areas at both 10 and 6 percent discount rates, but other benefits outweigh the economic ones. Dwarf mistletoe management is recommended. Title: Evaluation of proposed dwarf mistletoe management projects on the Deerlodge National Forest Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry Residual lodgepole pine in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will effectively reduce dwarf mistletoe to an insignificant level and increase future volume yields. The benefit/ cost ratios based on timber values alone are negative for both areas at both 10 and 6 percent discount rates, but other benefits outweigh the economic ones. Dwarf mistletoe management is recommended. Close

• 93. [Article] Potential for infestation by mountain pine beetle in lodgepole pine stands, Hungry Horse District, Flathead National Forest, 1977

  Ground surveys on the Hungry Horse District indicate a potential for mountain pine beetle infestation in lodgepole pine. Based on elevation-latitude, mean d.b.h. and phloem thickness, and age, stands were ...

  Citation × Citation Citation Abstract Copy Title: Potential for infestation by mountain pine beetle in lodgepole pine stands, Hungry Horse District, Flathead National Forest, 1977 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Hamel, Dennis R., Hothem, R. Ground surveys on the Hungry Horse District indicate a potential for mountain pine beetle infestation in lodgepole pine. Based on elevation-latitude, mean d.b.h. and phloem thickness, and age, stands were given a susceptibility classification of high risk. An infestation in Glacier National Park may provide the beetle source. Management alternatives are discussed and long-term management goals are recommended. Title: Potential for infestation by mountain pine beetle in lodgepole pine stands, Hungry Horse District, Flathead National Forest, 1977 Author: United States. Forest Service. Northern Region. State & Private Forestry, Oakes, Robert D., Hamel, Dennis R., Hothem, R. Ground surveys on the Hungry Horse District indicate a potential for mountain pine beetle infestation in lodgepole pine. Based on elevation-latitude, mean d.b.h. and phloem thickness, and age, stands were given a susceptibility classification of high risk. An infestation in Glacier National Park may provide the beetle source. Management alternatives are discussed and long-term management goals are recommended. Close

• 94. [Article] Potential defoliation in 1979 from a ponderosa pine needle miner on the Flathead Indian Reservation and Missoula Valley, Montana

  A needle miner, Coleotechnites sp., defoliated approximately 3,100 acres of ponderosa pine, Pinus ponderosa Laws. on the Flathead Indian Reservation, Montana, during 1978. Three other small areas in the Missoula ...

  Citation × Citation Citation Abstract Copy Title: Potential defoliation in 1979 from a ponderosa pine needle miner on the Flathead Indian Reservation and Missoula Valley, Montana Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott A needle miner, Coleotechnites sp., defoliated approximately 3,100 acres of ponderosa pine, Pinus ponderosa Laws. on the Flathead Indian Reservation, Montana, during 1978. Three other small areas in the Missoula Valley were infested also. Overwintering populations of larvae are low; thus, light defoliation is expected in 1979 in presently infested areas. Title: Potential defoliation in 1979 from a ponderosa pine needle miner on the Flathead Indian Reservation and Missoula Valley, Montana Author: Meyer, Hubert E., United States. Forest Service. Northern Region. State & Private Forestry, Tunnock, Scott A needle miner, Coleotechnites sp., defoliated approximately 3,100 acres of ponderosa pine, Pinus ponderosa Laws. on the Flathead Indian Reservation, Montana, during 1978. Three other small areas in the Missoula Valley were infested also. Overwintering populations of larvae are low; thus, light defoliation is expected in 1979 in presently infested areas. Close

• 95. [Article] Evaluation of a mountain pine beetle infestation in second-growth ponderosa pine on the Crow Indian Reservation, Montana, 1979

  The mountain pine beetle infestation in Corral, Little Corral, and Cache Creeks on the Crow Indian Reservation, Montana has been increasing for the past several years. Trees killed per acre averaged 38.8 ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a mountain pine beetle infestation in second-growth ponderosa pine on the Crow Indian Reservation, Montana, 1979 Author: Dewey, Jerald E., McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry The mountain pine beetle infestation in Corral, Little Corral, and Cache Creeks on the Crow Indian Reservation, Montana has been increasing for the past several years. Trees killed per acre averaged 38.8 in 1979. Our predictions for the future trend of the infestation, plus management alternatives to lessen its severity, are outlined in this report. Title: Evaluation of a mountain pine beetle infestation in second-growth ponderosa pine on the Crow Indian Reservation, Montana, 1979 Author: Dewey, Jerald E., McGregor, Mark D., Gibson, K. E. (Kenneth E.), United States. Forest Service. Northern Region. State & Private Forestry The mountain pine beetle infestation in Corral, Little Corral, and Cache Creeks on the Crow Indian Reservation, Montana has been increasing for the past several years. Trees killed per acre averaged 38.8 in 1979. Our predictions for the future trend of the infestation, plus management alternatives to lessen its severity, are outlined in this report. Close

• 96. [Article] Establishment report : permanent plots to evaluate the effects of Armillaria root disease in precommercially thinned stands

  Methods used to establish permanent plots in precommercially thinned and unthinned stands to monitor root disease development are described. Plots were established in 22 Armillaria-infested stands in northern ...

  Citation × Citation Citation Abstract Copy Title: Establishment report : permanent plots to evaluate the effects of Armillaria root disease in precommercially thinned stands Author: Stewart, C. A., United States. Forest Service. Northern Region. State & Private Forestry, Hall, L. D., Byler, James W. Methods used to establish permanent plots in precommercially thinned and unthinned stands to monitor root disease development are described. Plots were established in 22 Armillaria-infested stands in northern Idaho and western Montana. The proportion of trees dead and infected was significantly higher for planted than for natural regeneration at the time of plot establishment. Title: Establishment report : permanent plots to evaluate the effects of Armillaria root disease in precommercially thinned stands Author: Stewart, C. A., United States. Forest Service. Northern Region. State & Private Forestry, Hall, L. D., Byler, James W. Methods used to establish permanent plots in precommercially thinned and unthinned stands to monitor root disease development are described. Plots were established in 22 Armillaria-infested stands in northern Idaho and western Montana. The proportion of trees dead and infected was significantly higher for planted than for natural regeneration at the time of plot establishment. Close

• 97. [Article] Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979

  Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate ...

  Citation × Citation Citation Abstract Copy Title: Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Bennett, D. D. Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate another 25 percent of the remaining lodgepole pine could be killed in 1980. Title: Mountain pine beetle status update, Plains Ranger District, Lolo National Forest, 1979 Author: United States. Forest Service. Northern Region. State & Private Forestry, Gibson, K. E. (Kenneth E.), Bennett, D. D. Mountain pine beetle populations increased in 1979 in the Thompson River drainage to levels predicted following the 1978 attack period. New attacks in 1979 averaged 27 per acre. Current estimates indicate another 25 percent of the remaining lodgepole pine could be killed in 1980. Close

• 98. [Article] Status of bark beetle infestations in second-growth ponderosa pine stands, Bureau of Land Management lands Garnet Mountains, Montana

  Mountain pine beetle infestations have increased in second-growth ponderosa pine stands in the Garnet Mountains since 1971. The extremely dry 1973 season resulted in an increase of Ips engraver beetle ...

  Citation × Citation Citation Abstract Copy Title: Status of bark beetle infestations in second-growth ponderosa pine stands, Bureau of Land Management lands Garnet Mountains, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Lood, Rudolph C., McGregor, Mark D. Mountain pine beetle infestations have increased in second-growth ponderosa pine stands in the Garnet Mountains since 1971. The extremely dry 1973 season resulted in an increase of Ips engraver beetle activity that was responsible for over half of the tree mortality in 1973. Commercial thinning is recommended to alleviate the problem. Title: Status of bark beetle infestations in second-growth ponderosa pine stands, Bureau of Land Management lands Garnet Mountains, Montana Author: United States. Forest Service. Northern Region. State & Private Forestry, Lood, Rudolph C., McGregor, Mark D. Mountain pine beetle infestations have increased in second-growth ponderosa pine stands in the Garnet Mountains since 1971. The extremely dry 1973 season resulted in an increase of Ips engraver beetle activity that was responsible for over half of the tree mortality in 1973. Commercial thinning is recommended to alleviate the problem. Close

• 99. [Article] Evaluation of pruning to reduce impact of white pine blister rust on selected areas in Yellowstone National Park

  White pine blister rust still poses a threat to the relic limber pine stand in the Mammoth Hot Springs Terrace area; pruning of cankers is an effective means of preserving the limber pine as long as po...

  Citation × Citation Citation Abstract Copy Title: Evaluation of pruning to reduce impact of white pine blister rust on selected areas in Yellowstone National Park Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry White pine blister rust still poses a threat to the relic limber pine stand in the Mammoth Hot Springs Terrace area; pruning of cankers is an effective means of preserving the limber pine as long as possible. Title: Evaluation of pruning to reduce impact of white pine blister rust on selected areas in Yellowstone National Park Author: Dooling, Oscar J., United States. Forest Service. Northern Region. State & Private Forestry White pine blister rust still poses a threat to the relic limber pine stand in the Mammoth Hot Springs Terrace area; pruning of cankers is an effective means of preserving the limber pine as long as possible. Close

• 100. [Article] Supplemental egg mass data from a Douglas-fir tussock moth infestation, North of Polson, Montana, April 1975

  A supplemental Douglas-fir tussock moth egg mass evaluation was made within three quarter sections north of Poison, Montana, during April 1975. These areas were being considered for a pilot control project ...

  Citation × Citation Citation Abstract Copy Title: Supplemental egg mass data from a Douglas-fir tussock moth infestation, North of Polson, Montana, April 1975 Author: United States. Forest Service. Northern Region. State & Private Forestry, Haglund, Steve, Ciesla, William M., Tunnock, Scott A supplemental Douglas-fir tussock moth egg mass evaluation was made within three quarter sections north of Poison, Montana, during April 1975. These areas were being considered for a pilot control project of a nucleopolyhedrosis virus spray. Results from the April evaluation showed these areas no longer qualified as sites for pilot control projects. Title: Supplemental egg mass data from a Douglas-fir tussock moth infestation, North of Polson, Montana, April 1975 Author: United States. Forest Service. Northern Region. State & Private Forestry, Haglund, Steve, Ciesla, William M., Tunnock, Scott A supplemental Douglas-fir tussock moth egg mass evaluation was made within three quarter sections north of Poison, Montana, during April 1975. These areas were being considered for a pilot control project of a nucleopolyhedrosis virus spray. Results from the April evaluation showed these areas no longer qualified as sites for pilot control projects. Close