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• 3911. [Image] Lincoln's Sparrow

  	Photographed October 2005 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Feeding on ground photo blind 4
  	Citation × Citation Citation Abstract Copy Title: Lincoln's Sparrow Author: Menke, Dave Year: 2005, 2007 Photographed October 2005 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Feeding on ground photo blind 4 Title: Lincoln's Sparrow Author: Menke, Dave Year: 2005, 2007 Photographed October 2005 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Feeding on ground photo blind 4 Close

• 3912. [Image] California Towhee

  	Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Closeup on rock - photo blind 4
  	Citation × Citation Citation Abstract Copy Title: California Towhee Author: Menke, Dave Year: 2007 Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Closeup on rock - photo blind 4 Title: California Towhee Author: Menke, Dave Year: 2007 Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Closeup on rock - photo blind 4 Close

• 3913. [Image] Anna's Hummingbird

  	Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Female on twig photo blind 4
  	Citation × Citation Citation Abstract Copy Title: Anna's Hummingbird Author: Menke, Dave Year: 2007 Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Female on twig photo blind 4 Title: Anna's Hummingbird Author: Menke, Dave Year: 2007 Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Female on twig photo blind 4 Close

• 3914. [Image] Least Sandpiper

  	Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; On mudflat photo blind 1
  	Citation × Citation Citation Abstract Copy Title: Least Sandpiper Author: Menke, Dave Year: 2007 Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; On mudflat photo blind 1 Title: Least Sandpiper Author: Menke, Dave Year: 2007 Photographed April 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; On mudflat photo blind 1 Close

• 3915. [Image] Calliope Hummingbird

  	Photographed May 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Male on twig photo blind 4
  	Citation × Citation Citation Abstract Copy Title: Calliope Hummingbird Author: Menke, Dave Year: 2007 Photographed May 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Male on twig photo blind 4 Title: Calliope Hummingbird Author: Menke, Dave Year: 2007 Photographed May 2007 at Tule Lake National Wildlife Refuge, Siskiyou County, California; Male on twig photo blind 4 Close

• 3916. [Image] "E" Canal, plain 2 1/2" concrete lining placed in 1924

  	KP-1735-R2 - Klamath Project. Picture at Sta. 59-10 of patched joint cracked through. Joints originally edged have opened considerably. Lining is badly fractured at several points by frost heave, with ...
  	Citation × Citation Citation Abstract Copy Title: "E" Canal, plain 2 1/2" concrete lining placed in 1924 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1735-R2 - Klamath Project. Picture at Sta. 59-10 of patched joint cracked through. Joints originally edged have opened considerably. Lining is badly fractured at several points by frost heave, with sections being displaced into the canal. Annual procedure is to repair joints and fractures by pouring sand cement mortar over cracks just prior to irrigation season, which seals joint temporarily for service. However, subjected to winter freezing with resultant heaving, the patching is completely destroyed. It is possible that mastic joint filler may withstand this action and reduce annual maintenance. This lining is situated in side hill cut through porous material where water tightness is essential; October 19, 1948; Photo by H. F. Tolley Title: "E" Canal, plain 2 1/2" concrete lining placed in 1924 Author: United States. Bureau of Reclamation, Tolley, H.F. Year: 1948, 2007, 2005 KP-1735-R2 - Klamath Project. Picture at Sta. 59-10 of patched joint cracked through. Joints originally edged have opened considerably. Lining is badly fractured at several points by frost heave, with sections being displaced into the canal. Annual procedure is to repair joints and fractures by pouring sand cement mortar over cracks just prior to irrigation season, which seals joint temporarily for service. However, subjected to winter freezing with resultant heaving, the patching is completely destroyed. It is possible that mastic joint filler may withstand this action and reduce annual maintenance. This lining is situated in side hill cut through porous material where water tightness is essential; October 19, 1948; Photo by H. F. Tolley Close

• 3917. [Image] Gerber Watershed - Klamath Project, Oregon-California

  	CN-12-200-34A Gerber Watershed - Klamath Project, Oregon-California. Upstream view of Wild Horse Diversion Channel headgate. Note -- stoplogs must be placed in stoplog slots to prevent water from entering ...
  	Citation × Citation Citation Abstract Copy Title: Gerber Watershed - Klamath Project, Oregon-California Author: United States. Bureau of Reclamation, Rosten, T.J. Year: 1968, 2010, 2007 CN-12-200-34A Gerber Watershed - Klamath Project, Oregon-California. Upstream view of Wild Horse Diversion Channel headgate. Note -- stoplogs must be placed in stoplog slots to prevent water from entering Wild Horse Diversion Channel. The width of the gate opening is 4.0 feet. The elevation of the gate sill is about 0.3 feet lower than the crest of the concrete weir which serves as Wild Horse Diversion Dam. The concrete weir is not shown, but is located to the right of Jim Bunker. The persons shown in the picture, from right to left, are Jim Bunker, manager, LVID, John Fisher, USBR, Klamath Project, and Dean Boe, BLM, Lakeview, Oregon; November 19, 1968; Bureau of Reclamation photo by T.J. Rosten Title: Gerber Watershed - Klamath Project, Oregon-California Author: United States. Bureau of Reclamation, Rosten, T.J. Year: 1968, 2010, 2007 CN-12-200-34A Gerber Watershed - Klamath Project, Oregon-California. Upstream view of Wild Horse Diversion Channel headgate. Note -- stoplogs must be placed in stoplog slots to prevent water from entering Wild Horse Diversion Channel. The width of the gate opening is 4.0 feet. The elevation of the gate sill is about 0.3 feet lower than the crest of the concrete weir which serves as Wild Horse Diversion Dam. The concrete weir is not shown, but is located to the right of Jim Bunker. The persons shown in the picture, from right to left, are Jim Bunker, manager, LVID, John Fisher, USBR, Klamath Project, and Dean Boe, BLM, Lakeview, Oregon; November 19, 1968; Bureau of Reclamation photo by T.J. Rosten Close

• 3918. [Image] Gerber Watershed - Klamath Project, Oregon-California

  	CN-12-200-36A Gerber Watershed - Klamath Project, Oregon-California. Looking northeast at Wildhorse Diversion Dam from downstream side of dam. Rocks, limbs, etc., have been piled on top of dam to impede ...
  	Citation × Citation Citation Abstract Copy Title: Gerber Watershed - Klamath Project, Oregon-California Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1968, 2010, 2007 CN-12-200-36A Gerber Watershed - Klamath Project, Oregon-California. Looking northeast at Wildhorse Diversion Dam from downstream side of dam. Rocks, limbs, etc., have been piled on top of dam to impede the flow of water over the structure. Water was observed running under the dam through a washed-out cavity. A level shot showed that the crest of the dam was 0.3 higher than the sill of the headgate to the Wildhorse Diversion Channel. The dam, as shown, is a concrete weir. It is in extremely poor condition. Cavities have been eroded beneath the weir -- and is being underworn on the downstream side -- by streamflow action; November 19, 1968; Bureau of Reclamation photo by T.J. Rosten Title: Gerber Watershed - Klamath Project, Oregon-California Author: United States. Bureau of Reclamation, Stein, D.W. Year: 1968, 2010, 2007 CN-12-200-36A Gerber Watershed - Klamath Project, Oregon-California. Looking northeast at Wildhorse Diversion Dam from downstream side of dam. Rocks, limbs, etc., have been piled on top of dam to impede the flow of water over the structure. Water was observed running under the dam through a washed-out cavity. A level shot showed that the crest of the dam was 0.3 higher than the sill of the headgate to the Wildhorse Diversion Channel. The dam, as shown, is a concrete weir. It is in extremely poor condition. Cavities have been eroded beneath the weir -- and is being underworn on the downstream side -- by streamflow action; November 19, 1968; Bureau of Reclamation photo by T.J. Rosten Close

• 3919. [Image] Closed Drain Construction in Tule Lake Sump 3 - Specs. No. 200C-821

  	CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction in Tule Lake Sump 3 - Specs. No. 200C-821 Author: United States. Bureau of Reclamation, Bryant, J.K. Year: 1971, 2010, 2007 CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows a hopper which contains and places the cinder envelope around the drainage tubing. Metal shields support the vertical walls of the open trench between the trencher and the hopper. The guide on the bottom of the hopper positions the drainage tubing as it is pulled into the trench. Contractor Don Johnson is shown operating the trenching machine; February 18, 1971; Bureau of Recl. photo by J.K. Bryant Title: Closed Drain Construction in Tule Lake Sump 3 - Specs. No. 200C-821 Author: United States. Bureau of Reclamation, Bryant, J.K. Year: 1971, 2010, 2007 CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows a hopper which contains and places the cinder envelope around the drainage tubing. Metal shields support the vertical walls of the open trench between the trencher and the hopper. The guide on the bottom of the hopper positions the drainage tubing as it is pulled into the trench. Contractor Don Johnson is shown operating the trenching machine; February 18, 1971; Bureau of Recl. photo by J.K. Bryant Close

• 3920. [Image] Research and management of black bears in Crater Lake National Park, Oregon: National Park Service progress report

  	ill., maps, photo.; Includes bibliographical references (leaves 72-74); "RSP CRLA-N-2A."; "January 20, 1974."; Typescript (photocopy).
  	Citation × Citation Citation Abstract Copy Title: Research and management of black bears in Crater Lake National Park, Oregon: National Park Service progress report Author: McCollum, Michael T. Year: 1974, 2010 ill., maps, photo.; Includes bibliographical references (leaves 72-74); "RSP CRLA-N-2A."; "January 20, 1974."; Typescript (photocopy). Title: Research and management of black bears in Crater Lake National Park, Oregon: National Park Service progress report Author: McCollum, Michael T. Year: 1974, 2010 ill., maps, photo.; Includes bibliographical references (leaves 72-74); "RSP CRLA-N-2A."; "January 20, 1974."; Typescript (photocopy). Close