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• 801. [Image] Irrigation Dam

  	Irrigation dam on Crooked Creek. There is no fish ladder present
  	Citation × Citation Citation Abstract Copy Title: Irrigation Dam Year: 1946 Irrigation dam on Crooked Creek. There is no fish ladder present Title: Irrigation Dam Year: 1946 Irrigation dam on Crooked Creek. There is no fish ladder present Close

• 802. [Image] Stratified sandstone on Coal Creek

  	Stratified sandstone Coal Creek, a tributary to the Columbia River
  	Citation × Citation Citation Abstract Copy Title: Stratified sandstone on Coal Creek Year: 1936 Stratified sandstone Coal Creek, a tributary to the Columbia River Title: Stratified sandstone on Coal Creek Year: 1936 Stratified sandstone Coal Creek, a tributary to the Columbia River Close

• 803. [Image] Headgates

  	Headgates on Lebanon power diversion arising 2 1/2 miles above Lebanon, Oregon; 1940-08-11 From Album 1 page 10
  	Citation × Citation Citation Abstract Copy Title: Headgates Year: 1940 Headgates on Lebanon power diversion arising 2 1/2 miles above Lebanon, Oregon; 1940-08-11 From Album 1 page 10 Title: Headgates Year: 1940 Headgates on Lebanon power diversion arising 2 1/2 miles above Lebanon, Oregon; 1940-08-11 From Album 1 page 10 Close

• 804. [Image] Falls in Tualatin River

  	Falls in Tualatin River 3-4 miles above Cherry Grove, Oregon; 1940-09-15 From Album 1 page 39
  	Citation × Citation Citation Abstract Copy Title: Falls in Tualatin River Year: 1940 Falls in Tualatin River 3-4 miles above Cherry Grove, Oregon; 1940-09-15 From Album 1 page 39 Title: Falls in Tualatin River Year: 1940 Falls in Tualatin River 3-4 miles above Cherry Grove, Oregon; 1940-09-15 From Album 1 page 39 Close

• 805. [Image] Sulphur Creek Falls

  	Downstream view from horse bridge at head end of falls
  	Citation × Citation Citation Abstract Copy Title: Sulphur Creek Falls Year: 1941 Downstream view from horse bridge at head end of falls Title: Sulphur Creek Falls Year: 1941 Downstream view from horse bridge at head end of falls Close

• 806. [Image] Sulphur Creek bedrock chute

  	12 ft impassable bedrock chute short distance above highway bridge This is topped by a 6 ft dam
  	Citation × Citation Citation Abstract Copy Title: Sulphur Creek bedrock chute Year: 1941 12 ft impassable bedrock chute short distance above highway bridge This is topped by a 6 ft dam Title: Sulphur Creek bedrock chute Year: 1941 12 ft impassable bedrock chute short distance above highway bridge This is topped by a 6 ft dam Close

• 807. [Image] Intake at Leaburg Power Plant

  	Intake of Leaburg Power Plant on the McKenzie River; 1938-06
  	Citation × Citation Citation Abstract Copy Title: Intake at Leaburg Power Plant Year: 1938 Intake of Leaburg Power Plant on the McKenzie River; 1938-06 Title: Intake at Leaburg Power Plant Year: 1938 Intake of Leaburg Power Plant on the McKenzie River; 1938-06 Close

• 808. [Image] Chinook salmon-River Mill

  	Chinook- River Mill tail-race, Clackamas River, Oregon; 1938-06-28
  	Citation × Citation Citation Abstract Copy Title: Chinook salmon-River Mill Year: 1938 Chinook- River Mill tail-race, Clackamas River, Oregon; 1938-06-28 Title: Chinook salmon-River Mill Year: 1938 Chinook- River Mill tail-race, Clackamas River, Oregon; 1938-06-28 Close

• 809. [Image] Niggerhead Creek (Yellowjacket Creek)

  	Passable falls and cascades on Niggerhead Creek
  	Citation × Citation Citation Abstract Copy Title: Niggerhead Creek (Yellowjacket Creek) Year: 1936 Passable falls and cascades on Niggerhead Creek Title: Niggerhead Creek (Yellowjacket Creek) Year: 1936 Passable falls and cascades on Niggerhead Creek Close

• 810. [Image] Chinook below River Mill Power plant

  	Chinook below River Mill Power house on the Clackamas River; 1938-06
  	Citation × Citation Citation Abstract Copy Title: Chinook below River Mill Power plant Year: 1938 Chinook below River Mill Power house on the Clackamas River; 1938-06 Title: Chinook below River Mill Power plant Year: 1938 Chinook below River Mill Power house on the Clackamas River; 1938-06 Close

• 811. [Image] Salmon Creek Falls

  	Salmon Creek Falls;1937-09
  	Citation × Citation Citation Abstract Copy Title: Salmon Creek Falls Year: 1937 Salmon Creek Falls;1937-09 Title: Salmon Creek Falls Year: 1937 Salmon Creek Falls;1937-09 Close

• 812. [Image] Tamolitch Falls

  	Tamolitch Falls on the McKenzie River during high water stage The falls are 40 feet high;1937-06-26
  	Citation × Citation Citation Abstract Copy Title: Tamolitch Falls Year: 1937 Tamolitch Falls on the McKenzie River during high water stage The falls are 40 feet high;1937-06-26 Title: Tamolitch Falls Year: 1937 Tamolitch Falls on the McKenzie River during high water stage The falls are 40 feet high;1937-06-26 Close

• 813. [Image] Gardiner Dam

  	Gardner [sic] Dam viewed from bridge Gardner [sic] Dam is located on the North Santiam River; 1940-08-08
  	Citation × Citation Citation Abstract Copy Title: Gardiner Dam Year: 1940 Gardner [sic] Dam viewed from bridge Gardner [sic] Dam is located on the North Santiam River; 1940-08-08 Title: Gardiner Dam Year: 1940 Gardner [sic] Dam viewed from bridge Gardner [sic] Dam is located on the North Santiam River; 1940-08-08 Close

• 814. [Image] Gardiner Ditch

  	Gardner [sic] Ditch 100 yards above the headgate, facing upstream; 1940-08-08
  	Citation × Citation Citation Abstract Copy Title: Gardiner Ditch Year: 1940 Gardner [sic] Ditch 100 yards above the headgate, facing upstream; 1940-08-08 Title: Gardiner Ditch Year: 1940 Gardner [sic] Ditch 100 yards above the headgate, facing upstream; 1940-08-08 Close

• 815. [Image] Wildwood Falls

  	Wildwood Falls on Row River Oregon, with a six foot jump in foreground;1938-05-28
  	Citation × Citation Citation Abstract Copy Title: Wildwood Falls Year: 1938 Wildwood Falls on Row River Oregon, with a six foot jump in foreground;1938-05-28 Title: Wildwood Falls Year: 1938 Wildwood Falls on Row River Oregon, with a six foot jump in foreground;1938-05-28 Close

• 816. [Image] Narrow falls on Winberry Creek

  	Narrow falls over bedrock ledge on Winberry Creek, tributary to Big Fall Creek, Oregon;1937-06
  	Citation × Citation Citation Abstract Copy Title: Narrow falls on Winberry Creek Year: 1937 Narrow falls over bedrock ledge on Winberry Creek, tributary to Big Fall Creek, Oregon;1937-06 Title: Narrow falls on Winberry Creek Year: 1937 Narrow falls over bedrock ledge on Winberry Creek, tributary to Big Fall Creek, Oregon;1937-06 Close

• 817. [Image] Falls on Portland Creek

  	Falls on Portland Creek, tributary to Big Fall Creek-six foot jump at low point;1937-06
  	Citation × Citation Citation Abstract Copy Title: Falls on Portland Creek Year: 1937 Falls on Portland Creek, tributary to Big Fall Creek-six foot jump at low point;1937-06 Title: Falls on Portland Creek Year: 1937 Falls on Portland Creek, tributary to Big Fall Creek-six foot jump at low point;1937-06 Close

• 818. [Image] Swift Creek

  	Swift Creek, tributary to Middle Fork Willamette River;1938-07
  	Citation × Citation Citation Abstract Copy Title: Swift Creek Year: 1938 Swift Creek, tributary to Middle Fork Willamette River;1938-07 Title: Swift Creek Year: 1938 Swift Creek, tributary to Middle Fork Willamette River;1938-07 Close

• 819. [Image] Small storage dam

  	Small storage dam on the Tualatin River, located 3 miles above the mouth It is 3 feet high but the downstream apron makes passage difficult; 1937-06-24
  	Citation × Citation Citation Abstract Copy Title: Small storage dam Year: 1937 Small storage dam on the Tualatin River, located 3 miles above the mouth It is 3 feet high but the downstream apron makes passage difficult; 1937-06-24 Title: Small storage dam Year: 1937 Small storage dam on the Tualatin River, located 3 miles above the mouth It is 3 feet high but the downstream apron makes passage difficult; 1937-06-24 Close

• 820. [Image] Swift Creek

  	Swift Creek, tributary to Middle Fork Willamette River;1938-07
  	Citation × Citation Citation Abstract Copy Title: Swift Creek Year: 1938 Swift Creek, tributary to Middle Fork Willamette River;1938-07 Title: Swift Creek Year: 1938 Swift Creek, tributary to Middle Fork Willamette River;1938-07 Close

• 821. [Image] Irrigation Dam

  	Irrigation dam on Crooked Creek. There is no fish ladder present
  	Citation × Citation Citation Abstract Copy Title: Irrigation Dam Year: 1946 Irrigation dam on Crooked Creek. There is no fish ladder present Title: Irrigation Dam Year: 1946 Irrigation dam on Crooked Creek. There is no fish ladder present Close

• 822. [Image] Collecting chinook eggs

  	Collecting eggs by slitting the belly of ripe female chinook salmon at the Middle Santiam Salmon Hatchery near Foster, Oregon; Archie Anderson and assistant;1940-09-25 From Album 1 page 7
  	Citation × Citation Citation Abstract Copy Title: Collecting chinook eggs Year: 1940 Collecting eggs by slitting the belly of ripe female chinook salmon at the Middle Santiam Salmon Hatchery near Foster, Oregon; Archie Anderson and assistant;1940-09-25 From Album 1 page 7 Title: Collecting chinook eggs Year: 1940 Collecting eggs by slitting the belly of ripe female chinook salmon at the Middle Santiam Salmon Hatchery near Foster, Oregon; Archie Anderson and assistant;1940-09-25 From Album 1 page 7 Close

• 823. [Image] South Santiam riffle

  	Riffle on the South Santiam River about 2 1/2 miles below Crabtree Bridge All stones were heavily coated with brownish-green slime and persistent foam piled up in backwaters and floated down the river;Paper ...
  	Citation × Citation Citation Abstract Copy Title: South Santiam riffle Year: 1940 Riffle on the South Santiam River about 2 1/2 miles below Crabtree Bridge All stones were heavily coated with brownish-green slime and persistent foam piled up in backwaters and floated down the river;Paper mill pollution from Crown-Willamette Paper Co at Lebanon, Oregon; 1940-08-05 From Album 1 page 8 Title: South Santiam riffle Year: 1940 Riffle on the South Santiam River about 2 1/2 miles below Crabtree Bridge All stones were heavily coated with brownish-green slime and persistent foam piled up in backwaters and floated down the river;Paper mill pollution from Crown-Willamette Paper Co at Lebanon, Oregon; 1940-08-05 From Album 1 page 8 Close

• 824. [Image] North and South Channel

  	North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09
  	Citation × Citation Citation Abstract Copy Title: North and South Channel Year: 1940 North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09 Title: North and South Channel Year: 1940 North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09 Close

• 825. [Image] North and South Channel

  	North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09
  	Citation × Citation Citation Abstract Copy Title: North and South Channel Year: 1940 North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09 Title: North and South Channel Year: 1940 North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09 Close

• 826. [Image] North and South Channel

  	North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09
  	Citation × Citation Citation Abstract Copy Title: North and South Channel Year: 1940 North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09 Title: North and South Channel Year: 1940 North Channel and South Channel facing upstream from bridge in Stayton, Oregon;1940-08-09 Close

• 827. [Image] South Santiam River, Oregon

  	South Santiam River, Oregon Riffle about 2 1/2 miles below Crabtree Bridge All stones were heavily coated with brownish-green slime and persistent foam piled up in backwaters and floated down the rive...
  	Citation × Citation Citation Abstract Copy Title: South Santiam River, Oregon Year: 1940 South Santiam River, Oregon Riffle about 2 1/2 miles below Crabtree Bridge All stones were heavily coated with brownish-green slime and persistent foam piled up in backwaters and floated down the river;1940-08-05 Title: South Santiam River, Oregon Year: 1940 South Santiam River, Oregon Riffle about 2 1/2 miles below Crabtree Bridge All stones were heavily coated with brownish-green slime and persistent foam piled up in backwaters and floated down the river;1940-08-05 Close

• 828. [Image] Salem Ditch

  	Salem Ditch looking upstream from headgate;1940-08-08
  	Citation × Citation Citation Abstract Copy Title: Salem Ditch Year: 1940 Salem Ditch looking upstream from headgate;1940-08-08 Title: Salem Ditch Year: 1940 Salem Ditch looking upstream from headgate;1940-08-08 Close

• 829. [Image] Mill City dam

  	Mill City dam located on the North Santiam River in Oregon; 1938
  	Citation × Citation Citation Abstract Copy Title: Mill City dam Year: 1938 Mill City dam located on the North Santiam River in Oregon; 1938 Title: Mill City dam Year: 1938 Mill City dam located on the North Santiam River in Oregon; 1938 Close

• 830. [Image] Quartzville Creek

  	Quartzville Creek, tributary of Middle Santiam River, Oregon;1938
  	Citation × Citation Citation Abstract Copy Title: Quartzville Creek Year: 1938 Quartzville Creek, tributary of Middle Santiam River, Oregon;1938 Title: Quartzville Creek Year: 1938 Quartzville Creek, tributary of Middle Santiam River, Oregon;1938 Close

• 831. [Image] Gardiner Dam

  	Gardner [sic] Dam from the bridge on the North Santiam River;1940-08-08
  	Citation × Citation Citation Abstract Copy Title: Gardiner Dam Year: 1940 Gardner [sic] Dam from the bridge on the North Santiam River;1940-08-08 Title: Gardiner Dam Year: 1940 Gardner [sic] Dam from the bridge on the North Santiam River;1940-08-08 Close

• 832. [Image] Power dam

  	Lower power dam on South Santiam River near Lebanon, Oregon The Albany Power Ditch takes off at right; 1940-08-11; From Album 1 page 9
  	Citation × Citation Citation Abstract Copy Title: Power dam Year: 1940 Lower power dam on South Santiam River near Lebanon, Oregon The Albany Power Ditch takes off at right; 1940-08-11; From Album 1 page 9 Title: Power dam Year: 1940 Lower power dam on South Santiam River near Lebanon, Oregon The Albany Power Ditch takes off at right; 1940-08-11; From Album 1 page 9 Close

• 833. [Image] River Mill Power plant

  	Chinook in tail-race at the River Mill Power Plant on the Clackamas River; 1938-06
  	Citation × Citation Citation Abstract Copy Title: River Mill Power plant Year: 1938 Chinook in tail-race at the River Mill Power Plant on the Clackamas River; 1938-06 Title: River Mill Power plant Year: 1938 Chinook in tail-race at the River Mill Power Plant on the Clackamas River; 1938-06 Close

• 834. [Image] Upper Blue River

  	Photo is characteristic of big pools and bedrock banks found on the upper Blue River, a tributary of the McKenzie River;1937-08-17
  	Citation × Citation Citation Abstract Copy Title: Upper Blue River Year: 1937 Photo is characteristic of big pools and bedrock banks found on the upper Blue River, a tributary of the McKenzie River;1937-08-17 Title: Upper Blue River Year: 1937 Photo is characteristic of big pools and bedrock banks found on the upper Blue River, a tributary of the McKenzie River;1937-08-17 Close

• 835. [Image] Rack across McKenzie River

  	Rack across the McKenzie River above Eugene, Oregon (near Hendricks Bridge);1938-06
  	Citation × Citation Citation Abstract Copy Title: Rack across McKenzie River Year: 1938 Rack across the McKenzie River above Eugene, Oregon (near Hendricks Bridge);1938-06 Title: Rack across McKenzie River Year: 1938 Rack across the McKenzie River above Eugene, Oregon (near Hendricks Bridge);1938-06 Close

• 836. [Image] Salem Ditch dam

  	Salem Ditch dam taken from lower Gardner (sic) Dam;1940-08-08
  	Citation × Citation Citation Abstract Copy Title: Salem Ditch dam Year: 1940 Salem Ditch dam taken from lower Gardner (sic) Dam;1940-08-08 Title: Salem Ditch dam Year: 1940 Salem Ditch dam taken from lower Gardner (sic) Dam;1940-08-08 Close

• 837. [Image] Scio Dam fish ladder

  	Poor fish ladder on Scio Dam on Thomas Creek, tributary to South Santiam River, Oregon; 1940-09-18
  	Citation × Citation Citation Abstract Copy Title: Scio Dam fish ladder Year: 1940 Poor fish ladder on Scio Dam on Thomas Creek, tributary to South Santiam River, Oregon; 1940-09-18 Title: Scio Dam fish ladder Year: 1940 Poor fish ladder on Scio Dam on Thomas Creek, tributary to South Santiam River, Oregon; 1940-09-18 Close

• 838. [Image] Chinook salmon

  	A thousand chinook salmon in holding pool at Foster Fish Hatchery located on the South Santiam River, Oregon;1940-08-14
  	Citation × Citation Citation Abstract Copy Title: Chinook salmon Year: 1940 A thousand chinook salmon in holding pool at Foster Fish Hatchery located on the South Santiam River, Oregon;1940-08-14 Title: Chinook salmon Year: 1940 A thousand chinook salmon in holding pool at Foster Fish Hatchery located on the South Santiam River, Oregon;1940-08-14 Close

• 839. [Image] Bryant in Boat

  	Bryant in boat which went from Mill City to Mehama, Oregon on the North Santiam River; 1940-08-07 Photograph from Album 1 page 47
  	Citation × Citation Citation Abstract Copy Title: Bryant in Boat Year: 1940 Bryant in boat which went from Mill City to Mehama, Oregon on the North Santiam River; 1940-08-07 Photograph from Album 1 page 47 Title: Bryant in Boat Year: 1940 Bryant in boat which went from Mill City to Mehama, Oregon on the North Santiam River; 1940-08-07 Photograph from Album 1 page 47 Close

• 840. [Image] Impassable log jam

  	Impassable log jam above Dollar, Oregon, on the Calapooia River; 1941-10-02 Photograph from Album 1 page 46
  	Citation × Citation Citation Abstract Copy Title: Impassable log jam Year: 1941 Impassable log jam above Dollar, Oregon, on the Calapooia River; 1941-10-02 Photograph from Album 1 page 46 Title: Impassable log jam Year: 1941 Impassable log jam above Dollar, Oregon, on the Calapooia River; 1941-10-02 Photograph from Album 1 page 46 Close

• 841. [Image] Springs

  	Outlet of springs at source of Lost Creek, tributary of McKenzie River;1937-08-19
  	Citation × Citation Citation Abstract Copy Title: Springs Year: 1937 Outlet of springs at source of Lost Creek, tributary of McKenzie River;1937-08-19 Title: Springs Year: 1937 Outlet of springs at source of Lost Creek, tributary of McKenzie River;1937-08-19 Close

• 842. [Image] Galloway Ditch siphon

  	Siphon for Galloway Ditch [Canal] flowing "under" Mann Creek. At high water when the irrigation dam below is out this siphon with its concrete apron forms a considerable barrier for steelheads and sal...
  	Citation × Citation Citation Abstract Copy Title: Galloway Ditch siphon Year: 1941 Siphon for Galloway Ditch [Canal] flowing "under" Mann Creek. At high water when the irrigation dam below is out this siphon with its concrete apron forms a considerable barrier for steelheads and salmon Title: Galloway Ditch siphon Year: 1941 Siphon for Galloway Ditch [Canal] flowing "under" Mann Creek. At high water when the irrigation dam below is out this siphon with its concrete apron forms a considerable barrier for steelheads and salmon Close

• 843. [Image] Shooting a rapid

  	Shooting a rapid with Bryant in the bow of boat on the North Santiam River, Oregon; 1940-08-06 Photograph from Album 1 page 47
  	Citation × Citation Citation Abstract Copy Title: Shooting a rapid Year: 1940 Shooting a rapid with Bryant in the bow of boat on the North Santiam River, Oregon; 1940-08-06 Photograph from Album 1 page 47 Title: Shooting a rapid Year: 1940 Shooting a rapid with Bryant in the bow of boat on the North Santiam River, Oregon; 1940-08-06 Photograph from Album 1 page 47 Close

• 844. [Image] Logpond spillway

  	Outlet from log pond near Dollar, Oregon, on Calapooia River; 1941-10-02 Photograph from Album 1 page 46
  	Citation × Citation Citation Abstract Copy Title: Logpond spillway Year: 1941 Outlet from log pond near Dollar, Oregon, on Calapooia River; 1941-10-02 Photograph from Album 1 page 46 Title: Logpond spillway Year: 1941 Outlet from log pond near Dollar, Oregon, on Calapooia River; 1941-10-02 Photograph from Album 1 page 46 Close

• 845. [Image] Thick undergrowth

  	Photo shows thick undergrowth on possible site for rearing pond on property of Mr Will R Lewis just below his trout pond. The trout pond takes off from stream running from Bull Run Reservoir which is the ...
  	Citation × Citation Citation Abstract Copy Title: Thick undergrowth Year: 1941 Photo shows thick undergrowth on possible site for rearing pond on property of Mr Will R Lewis just below his trout pond. The trout pond takes off from stream running from Bull Run Reservoir which is the same water supply as Farola's pond and is part of the Sandy River System Title: Thick undergrowth Year: 1941 Photo shows thick undergrowth on possible site for rearing pond on property of Mr Will R Lewis just below his trout pond. The trout pond takes off from stream running from Bull Run Reservoir which is the same water supply as Farola's pond and is part of the Sandy River System Close

• 846. [Image] Dam on Indian Creek

  	Dam on Indian Creek, forming water supply reservoir for the city of Elgin, Oregon
  	Citation × Citation Citation Abstract Copy Title: Dam on Indian Creek Year: 1940 Dam on Indian Creek, forming water supply reservoir for the city of Elgin, Oregon Title: Dam on Indian Creek Year: 1940 Dam on Indian Creek, forming water supply reservoir for the city of Elgin, Oregon Close

• 847. [Image] Indian Creek camp site

  	Camp site on Indian Creek, Idaho. Good fishing but hard to get in and out
  	Citation × Citation Citation Abstract Copy Title: Indian Creek camp site Year: 1941 Camp site on Indian Creek, Idaho. Good fishing but hard to get in and out Title: Indian Creek camp site Year: 1941 Camp site on Indian Creek, Idaho. Good fishing but hard to get in and out Close

• 848. [Image] Mouth of Bear Canyon Creek

  	Mouth of Bear Canyon Creek where it flows into Tilton River. It is impassable to fish
  	Citation × Citation Citation Abstract Copy Title: Mouth of Bear Canyon Creek Year: 1936 Mouth of Bear Canyon Creek where it flows into Tilton River. It is impassable to fish Title: Mouth of Bear Canyon Creek Year: 1936 Mouth of Bear Canyon Creek where it flows into Tilton River. It is impassable to fish Close

• 849. [Image] Valley below Cabin Creek

  	Portion of river valley below Cabin Creek that shows broad benches which sometimes occur on slip-off slopes
  	Citation × Citation Citation Abstract Copy Title: Valley below Cabin Creek Year: 1941 Portion of river valley below Cabin Creek that shows broad benches which sometimes occur on slip-off slopes Title: Valley below Cabin Creek Year: 1941 Portion of river valley below Cabin Creek that shows broad benches which sometimes occur on slip-off slopes Close

• 850. [Image] Unloading logs

  	Unloading logs into pond near Dollar, Oregon, on the Calapooia River; 1941-10-02 Photograph from Album 1 page 45
  	Citation × Citation Citation Abstract Copy Title: Unloading logs Year: 1941 Unloading logs into pond near Dollar, Oregon, on the Calapooia River; 1941-10-02 Photograph from Album 1 page 45 Title: Unloading logs Year: 1941 Unloading logs into pond near Dollar, Oregon, on the Calapooia River; 1941-10-02 Photograph from Album 1 page 45 Close

• 851. [Image] Pack string on the trail

  	Hendrick is the packer in the photo
  	Citation × Citation Citation Abstract Copy Title: Pack string on the trail Year: 1941 Hendrick is the packer in the photo Title: Pack string on the trail Year: 1941 Hendrick is the packer in the photo Close

• 852. [Image] Fish ladder

  	Citation × Citation Citation Abstract Copy Title: Fish ladder Year: 1940 Title: Fish ladder Year: 1940 Close

• 853. [Image] Marking fish

  	Marking fish, Delph Creek tributary of Eagle Creek; 1938-04
  	Citation × Citation Citation Abstract Copy Title: Marking fish Year: 1938 Marking fish, Delph Creek tributary of Eagle Creek; 1938-04 Title: Marking fish Year: 1938 Marking fish, Delph Creek tributary of Eagle Creek; 1938-04 Close

• 854. [Image] Eagle Creek flood wash

  	Eagle Creek, Clackamas River, flood Washington bank cutting log jams in lower section; 1938-06
  	Citation × Citation Citation Abstract Copy Title: Eagle Creek flood wash Year: 1938 Eagle Creek, Clackamas River, flood Washington bank cutting log jams in lower section; 1938-06 Title: Eagle Creek flood wash Year: 1938 Eagle Creek, Clackamas River, flood Washington bank cutting log jams in lower section; 1938-06 Close

• 855. [Image] Delph Creek debris jam

  	Impassable debris jam on the upstream side; Delph Creek, Eagle Creek, Clackamas River; 1938-06
  	Citation × Citation Citation Abstract Copy Title: Delph Creek debris jam Year: 1938 Impassable debris jam on the upstream side; Delph Creek, Eagle Creek, Clackamas River; 1938-06 Title: Delph Creek debris jam Year: 1938 Impassable debris jam on the upstream side; Delph Creek, Eagle Creek, Clackamas River; 1938-06 Close

• 856. [Image] Old dam on Crooked Creek

  	Old dam-Crooked Creek just above first forks--left branch facing upstream. There is no ladder and the dam should be removed
  	Citation × Citation Citation Abstract Copy Title: Old dam on Crooked Creek Year: 1946 Old dam-Crooked Creek just above first forks--left branch facing upstream. There is no ladder and the dam should be removed Title: Old dam on Crooked Creek Year: 1946 Old dam-Crooked Creek just above first forks--left branch facing upstream. There is no ladder and the dam should be removed Close

• 857. [Image] Elkhorn Creek

  	Elkhorn Creek is a tributary of Wilson Creek. Very few salmon can get through culvert during high water.. Culvert is on the farm of VS Kesterson.
  	Citation × Citation Citation Abstract Copy Title: Elkhorn Creek Year: 1946 Elkhorn Creek is a tributary of Wilson Creek. Very few salmon can get through culvert during high water.. Culvert is on the farm of VS Kesterson. Title: Elkhorn Creek Year: 1946 Elkhorn Creek is a tributary of Wilson Creek. Very few salmon can get through culvert during high water.. Culvert is on the farm of VS Kesterson. Close

• 858. [Image] Adams Creek falls

  	15 ft falls in box canyon on Adams Creek, 1/4 mile above the mouth
  	Citation × Citation Citation Abstract Copy Title: Adams Creek falls Year: 1941 15 ft falls in box canyon on Adams Creek, 1/4 mile above the mouth Title: Adams Creek falls Year: 1941 15 ft falls in box canyon on Adams Creek, 1/4 mile above the mouth Close

• 859. [Image] Downstream from Hartman Dam

  	Looking downstream from Hartman Dam on Butte Creek; 1940-09-22
  	Citation × Citation Citation Abstract Copy Title: Downstream from Hartman Dam Year: 1940 Looking downstream from Hartman Dam on Butte Creek; 1940-09-22 Title: Downstream from Hartman Dam Year: 1940 Looking downstream from Hartman Dam on Butte Creek; 1940-09-22 Close

• 860. [Image] Chinooks on Riffle at Lois Mill

  	Chinook salmon on riffle at the Lois Mill on the Molalla River; 1941-09-16
  	Citation × Citation Citation Abstract Copy Title: Chinooks on Riffle at Lois Mill Year: 1941 Chinook salmon on riffle at the Lois Mill on the Molalla River; 1941-09-16 Title: Chinooks on Riffle at Lois Mill Year: 1941 Chinook salmon on riffle at the Lois Mill on the Molalla River; 1941-09-16 Close

• 861. [Image] Abiqua Dam

  	Abiqua Dam near Silverton, Oregon; 1940-09-08
  	Citation × Citation Citation Abstract Copy Title: Abiqua Dam Year: 1940 Abiqua Dam near Silverton, Oregon; 1940-09-08 Title: Abiqua Dam Year: 1940 Abiqua Dam near Silverton, Oregon; 1940-09-08 Close

• 862. [Image] Upper dam above Stayton

  	Upper dam above Stayton, Oregon, on the North Santiam River;1940-08-08
  	Citation × Citation Citation Abstract Copy Title: Upper dam above Stayton Year: 1940 Upper dam above Stayton, Oregon, on the North Santiam River;1940-08-08 Title: Upper dam above Stayton Year: 1940 Upper dam above Stayton, Oregon, on the North Santiam River;1940-08-08 Close

• 863. [Image] Silver Creek

  	Silver Creek near Salem, Oregon; 1938
  	Citation × Citation Citation Abstract Copy Title: Silver Creek Year: 1938 Silver Creek near Salem, Oregon; 1938 Title: Silver Creek Year: 1938 Silver Creek near Salem, Oregon; 1938 Close

• 864. [Image] Spillway and fishway

  	Spillway and fishway with government locks in the background on the Yamhill River near Lafayette, Oregon; 1940-09-26 From Album 1 page 41
  	Citation × Citation Citation Abstract Copy Title: Spillway and fishway Year: 1940 Spillway and fishway with government locks in the background on the Yamhill River near Lafayette, Oregon; 1940-09-26 From Album 1 page 41 Title: Spillway and fishway Year: 1940 Spillway and fishway with government locks in the background on the Yamhill River near Lafayette, Oregon; 1940-09-26 From Album 1 page 41 Close

• 865. [Image] Buck Hollow Creek

  	Buck Hollow Creek, tributary to Deschutes River. View upstream from bridge at mouth
  	Citation × Citation Citation Abstract Copy Title: Buck Hollow Creek Year: 1942 Buck Hollow Creek, tributary to Deschutes River. View upstream from bridge at mouth Title: Buck Hollow Creek Year: 1942 Buck Hollow Creek, tributary to Deschutes River. View upstream from bridge at mouth Close

• 866. [Image] Silver Creek

  	Silver Creek near Salem, Oregon; 1938
  	Citation × Citation Citation Abstract Copy Title: Silver Creek Year: 1938 Silver Creek near Salem, Oregon; 1938 Title: Silver Creek Year: 1938 Silver Creek near Salem, Oregon; 1938 Close

• 867. [Image] Spring chinooks

  	1000 spring chinook salmon in holding pool at Middle Santiam Salmon Hatchery;1940-08-14 Photograph from Album 1 page 48
  	Citation × Citation Citation Abstract Copy Title: Spring chinooks Year: 1940 1000 spring chinook salmon in holding pool at Middle Santiam Salmon Hatchery;1940-08-14 Photograph from Album 1 page 48 Title: Spring chinooks Year: 1940 1000 spring chinook salmon in holding pool at Middle Santiam Salmon Hatchery;1940-08-14 Photograph from Album 1 page 48 Close

• 868. [Image] Small storage dam

  	Small storage dam on the Tualatin River, located 3 miles above the mouth It is 3 feet high but the downstream apron makes passage difficult; 1937-06-24
  	Citation × Citation Citation Abstract Copy Title: Small storage dam Year: 1937 Small storage dam on the Tualatin River, located 3 miles above the mouth It is 3 feet high but the downstream apron makes passage difficult; 1937-06-24 Title: Small storage dam Year: 1937 Small storage dam on the Tualatin River, located 3 miles above the mouth It is 3 feet high but the downstream apron makes passage difficult; 1937-06-24 Close

• 869. [Image] Fish ladder near Carlton, Oregon

  	Citation × Citation Citation Abstract Copy Title: Fish ladder near Carlton, Oregon Year: 1940 Title: Fish ladder near Carlton, Oregon Year: 1940 Close

• 870. [Image] Big log jam

  	Big log jam above Dollar, Oregon, on the Calapooia River It is impassable;1941-10-02
  	Citation × Citation Citation Abstract Copy Title: Big log jam Year: 1941 Big log jam above Dollar, Oregon, on the Calapooia River It is impassable;1941-10-02 Title: Big log jam Year: 1941 Big log jam above Dollar, Oregon, on the Calapooia River It is impassable;1941-10-02 Close

• 871. [Image] Mill dam in Long Tom River

  	Mill dam in Long Tom River above Noti, Oregon Impassable at present water;1938
  	Citation × Citation Citation Abstract Copy Title: Mill dam in Long Tom River Year: 1938 Mill dam in Long Tom River above Noti, Oregon Impassable at present water;1938 Title: Mill dam in Long Tom River Year: 1938 Mill dam in Long Tom River above Noti, Oregon Impassable at present water;1938 Close

• 872. [Image] Bedrock cascade

  	Bedrock cascade located on the North Santiam River in Oregon between Mill City and Mehama; 1940-08-07
  	Citation × Citation Citation Abstract Copy Title: Bedrock cascade Year: 1940 Bedrock cascade located on the North Santiam River in Oregon between Mill City and Mehama; 1940-08-07 Title: Bedrock cascade Year: 1940 Bedrock cascade located on the North Santiam River in Oregon between Mill City and Mehama; 1940-08-07 Close

• 873. [Image] Will R Lewis's fish pond

  	Will R Lewis's fish pond located on outlet stream from Bull Run Reservoir on Sandy River System
  	Citation × Citation Citation Abstract Copy Title: Will R Lewis's fish pond Year: 1940 Will R Lewis's fish pond located on outlet stream from Bull Run Reservoir on Sandy River System Title: Will R Lewis's fish pond Year: 1940 Will R Lewis's fish pond located on outlet stream from Bull Run Reservoir on Sandy River System Close

• 874. [Image] Mouth of Gordon Creek

  	Rearing pond site at mouth of Gordon Creek, tributary to Sandy River. Shows height of pond site above stream level
  	Citation × Citation Citation Abstract Copy Title: Mouth of Gordon Creek Year: 1941 Rearing pond site at mouth of Gordon Creek, tributary to Sandy River. Shows height of pond site above stream level Title: Mouth of Gordon Creek Year: 1941 Rearing pond site at mouth of Gordon Creek, tributary to Sandy River. Shows height of pond site above stream level Close

• 875. [Image] Will R Lewis's fish pond

  	Will R Lewis's fish pond located on outlet stream from Bull Run Reservoir on the Sandy River System
  	Citation × Citation Citation Abstract Copy Title: Will R Lewis's fish pond Year: 1940 Will R Lewis's fish pond located on outlet stream from Bull Run Reservoir on the Sandy River System Title: Will R Lewis's fish pond Year: 1940 Will R Lewis's fish pond located on outlet stream from Bull Run Reservoir on the Sandy River System Close

• 876. [Image] Row River

  	Five foot falls on the Row River, tributary of Coast Fork Willamette River, located above Dorena, Oregon;1938-05-28
  	Citation × Citation Citation Abstract Copy Title: Row River Year: 1938 Five foot falls on the Row River, tributary of Coast Fork Willamette River, located above Dorena, Oregon;1938-05-28 Title: Row River Year: 1938 Five foot falls on the Row River, tributary of Coast Fork Willamette River, located above Dorena, Oregon;1938-05-28 Close

• 877. [Image] Greenhorn Creek falls

  	Greenhorn Creek falls, a tributary to the Cispus River
  	Citation × Citation Citation Abstract Copy Title: Greenhorn Creek falls Year: 1936 Greenhorn Creek falls, a tributary to the Cispus River Title: Greenhorn Creek falls Year: 1936 Greenhorn Creek falls, a tributary to the Cispus River Close

• 878. [Image] Lake Creek

  	Lake Creek, outlet of Packwood Lake showing characteristic cascades
  	Citation × Citation Citation Abstract Copy Title: Lake Creek Year: 1937 Lake Creek, outlet of Packwood Lake showing characteristic cascades Title: Lake Creek Year: 1937 Lake Creek, outlet of Packwood Lake showing characteristic cascades Close

• 879. [Image] Adams Creek falls

  	15 foot falls in box canyon 1/4 miles above mouth of Adams Creek, a tributary of Cispus River
  	Citation × Citation Citation Abstract Copy Title: Adams Creek falls Year: 1941 15 foot falls in box canyon 1/4 miles above mouth of Adams Creek, a tributary of Cispus River Title: Adams Creek falls Year: 1941 15 foot falls in box canyon 1/4 miles above mouth of Adams Creek, a tributary of Cispus River Close

• 880. [Image] Waterfall on lower Grays River

  	Falls down canyon wall on lower Grays River The falls are 150 feet high. Photo shows typically canyonous nature of stream banks. F Jobes is standing in lower center
  	Citation × Citation Citation Abstract Copy Title: Waterfall on lower Grays River Year: 1937 Falls down canyon wall on lower Grays River The falls are 150 feet high. Photo shows typically canyonous nature of stream banks. F Jobes is standing in lower center Title: Waterfall on lower Grays River Year: 1937 Falls down canyon wall on lower Grays River The falls are 150 feet high. Photo shows typically canyonous nature of stream banks. F Jobes is standing in lower center Close

• 881. [Article] Status of Winter Rearing Habitat In Four Coho Population Units, 2007 Report Number: OPSW-ODFW-2008-7

  Abstract -- In a recent assessment of coastal coho salmon by the Oregon Department of Fish and Wildlife (2005), the authors concluded that productivity in 21 of 21 coastal coho populations was limited ...

  Citation × Citation Citation Abstract Copy Title: Status of Winter Rearing Habitat In Four Coho Population Units, 2007 Report Number: OPSW-ODFW-2008-7 Abstract -- In a recent assessment of coastal coho salmon by the Oregon Department of Fish and Wildlife (2005), the authors concluded that productivity in 21 of 21 coastal coho populations was limited primarily (13) or secondarily (8) by the complexity of stream habitat used by juvenile coho during their first winter of freshwater residence. The Oregon Coast Coho Conservation Plan (Nicholas 2006), written in response to the assessment, concluded that recovery of coho populations will depend largely on improvement of freshwater habitat. The Conservation Plan (Nicholas 2006) presents population specific goals for the amount and quality of winter habitat needed to achieve desired status of coho populations. Monitoring objectives in the Plan are 1) describe the status of freshwater habitat in each population unit with a focus on features important to overwinter survival of juvenile coho, 2) estimate carrying capacity in each population unit with + 30% confidence, and 3) measure progress towards meeting the habitat goals of the Conservation Plan. This report describes the first two monitoring objectives for winter habitat in four population units: the Coquille, South Umpqua, Siuslaw, and Nehalem. Winter habitat surveys are conducted to describe the freshwater habitat conditions that may limit the survival of juvenile coho during the season at which the conditions are limiting. The Habitat Limiting Factors Model (Nickelson et al. 1992a, Nickelson et al. 1992b, Nickelson 1998) estimates the capacity of streams to support juvenile salmon based on quantitative descriptions of summer and winter habitat. The model assigns value to the size, type and complexity of habitat units, giving highest value to slow water pools such as alcoves and beaver ponds, and pools with large wood. Because winter habitat limits the capacity of most coastal streams to support juvenile coho (Rodgers et al. 2005), accurate estimates of winter habitat are essential to life cycle modeling and to meet objectives of the Conservation Plan. Rodgers et al. (2005) estimated potential carrying capacity of stream habitat within each coastal coho population unit, but statistical confidence was limited by the source and manipulation of the data. Although the data set was extensive, most of the reaches were not randomly selected, and a regression model was used to extrapolate conditions from summer to winter (Rodgers et al. 2005). Summer surveys provide applicable information, but at low flow conditions. Summer weather and stream flows are predictable and conducive to field work; study sites are more accessible, work days are longer and warmer, lower water levels enable walking in the channel more easily, and water clarity is high. However, while more difficult logistically, winter surveys provide estimates during high flow conditions thought to be most important to juvenile coho survival. The winter surveys are conducted during “base flow” when off-channel habitats and secondary channels are inundated, but not over floodplain. The winter 2007 survey sites were selected using the Generalized Random Tessellation Stratified (GRTS) sample design (Stevens 2002) from a pool of sites previously surveyed during summer. This provided an opportunity to describe status within coho population units and refine the summer to winter conversion regression model. More sites are visited during summer than winter, and the sample pool will expand if we can use summer surveys to predict winter conditions. A thorough description of seasonal habitat variation will determine the appropriateness of using summer habitat data to assess habitat conditions during the winter. The objectives of this report are to provide the status of winter habitat surveyed in 2007 in four Oregon coastal coho salmon (Oncorhynchus kisutch) population units (Nehalem, Siuslaw, Coquille, South Umpqua), estimate the potential winter capacity of streams within those population units, and describe the differences observed in stream habitat between winter and summer with emphasis on slow water and secondary channel habitats. We also performed a sensitivity analysis to determine the number of survey sites necessary to represent each population unit within the desired confidence recommended in the Conservation Plan (Nicholas 2006). Title: Status of Winter Rearing Habitat In Four Coho Population Units, 2007 Report Number: OPSW-ODFW-2008-7 Abstract -- In a recent assessment of coastal coho salmon by the Oregon Department of Fish and Wildlife (2005), the authors concluded that productivity in 21 of 21 coastal coho populations was limited primarily (13) or secondarily (8) by the complexity of stream habitat used by juvenile coho during their first winter of freshwater residence. The Oregon Coast Coho Conservation Plan (Nicholas 2006), written in response to the assessment, concluded that recovery of coho populations will depend largely on improvement of freshwater habitat. The Conservation Plan (Nicholas 2006) presents population specific goals for the amount and quality of winter habitat needed to achieve desired status of coho populations. Monitoring objectives in the Plan are 1) describe the status of freshwater habitat in each population unit with a focus on features important to overwinter survival of juvenile coho, 2) estimate carrying capacity in each population unit with + 30% confidence, and 3) measure progress towards meeting the habitat goals of the Conservation Plan. This report describes the first two monitoring objectives for winter habitat in four population units: the Coquille, South Umpqua, Siuslaw, and Nehalem. Winter habitat surveys are conducted to describe the freshwater habitat conditions that may limit the survival of juvenile coho during the season at which the conditions are limiting. The Habitat Limiting Factors Model (Nickelson et al. 1992a, Nickelson et al. 1992b, Nickelson 1998) estimates the capacity of streams to support juvenile salmon based on quantitative descriptions of summer and winter habitat. The model assigns value to the size, type and complexity of habitat units, giving highest value to slow water pools such as alcoves and beaver ponds, and pools with large wood. Because winter habitat limits the capacity of most coastal streams to support juvenile coho (Rodgers et al. 2005), accurate estimates of winter habitat are essential to life cycle modeling and to meet objectives of the Conservation Plan. Rodgers et al. (2005) estimated potential carrying capacity of stream habitat within each coastal coho population unit, but statistical confidence was limited by the source and manipulation of the data. Although the data set was extensive, most of the reaches were not randomly selected, and a regression model was used to extrapolate conditions from summer to winter (Rodgers et al. 2005). Summer surveys provide applicable information, but at low flow conditions. Summer weather and stream flows are predictable and conducive to field work; study sites are more accessible, work days are longer and warmer, lower water levels enable walking in the channel more easily, and water clarity is high. However, while more difficult logistically, winter surveys provide estimates during high flow conditions thought to be most important to juvenile coho survival. The winter surveys are conducted during “base flow” when off-channel habitats and secondary channels are inundated, but not over floodplain. The winter 2007 survey sites were selected using the Generalized Random Tessellation Stratified (GRTS) sample design (Stevens 2002) from a pool of sites previously surveyed during summer. This provided an opportunity to describe status within coho population units and refine the summer to winter conversion regression model. More sites are visited during summer than winter, and the sample pool will expand if we can use summer surveys to predict winter conditions. A thorough description of seasonal habitat variation will determine the appropriateness of using summer habitat data to assess habitat conditions during the winter. The objectives of this report are to provide the status of winter habitat surveyed in 2007 in four Oregon coastal coho salmon (Oncorhynchus kisutch) population units (Nehalem, Siuslaw, Coquille, South Umpqua), estimate the potential winter capacity of streams within those population units, and describe the differences observed in stream habitat between winter and summer with emphasis on slow water and secondary channel habitats. We also performed a sensitivity analysis to determine the number of survey sites necessary to represent each population unit within the desired confidence recommended in the Conservation Plan (Nicholas 2006). Close

• 882. [Article] MidCoast A - Rapid Bio-assessment 1998 Midcoast

  Abstract -- Snorkel surveys were conducted in five midcoast watersheds that included the Yachats, Alsea, Yaquina, Siletz, and Salmon Rivers. These surveys were commissioned by the Midcoast Watershed Council, ...

  Citation × Citation Citation Abstract Copy Title: MidCoast A - Rapid Bio-assessment 1998 Midcoast Abstract -- Snorkel surveys were conducted in five midcoast watersheds that included the Yachats, Alsea, Yaquina, Siletz, and Salmon Rivers. These surveys were commissioned by the Midcoast Watershed Council, using funds granted by GWEB. The intent of these surveys was to begin to develop a base line for monitoring trends in the distribution and abundance of juvenile Coho, Steelhead and Cutthroat in Midcoast watersheds. Adult Coho escapement for many of these basins has hovered near all time low levels for multiple brood cycles. These surveys intend to identify the core areas within these basins that, at low spawner densities, provide suitable spawning habitats. They also intend to identify areas important for juvenile salmonid rearing such that restoration activities can focus on recovering reaches that adult salmonids are returning to. Title: MidCoast A - Rapid Bio-assessment 1998 Midcoast Abstract -- Snorkel surveys were conducted in five midcoast watersheds that included the Yachats, Alsea, Yaquina, Siletz, and Salmon Rivers. These surveys were commissioned by the Midcoast Watershed Council, using funds granted by GWEB. The intent of these surveys was to begin to develop a base line for monitoring trends in the distribution and abundance of juvenile Coho, Steelhead and Cutthroat in Midcoast watersheds. Adult Coho escapement for many of these basins has hovered near all time low levels for multiple brood cycles. These surveys intend to identify the core areas within these basins that, at low spawner densities, provide suitable spawning habitats. They also intend to identify areas important for juvenile salmonid rearing such that restoration activities can focus on recovering reaches that adult salmonids are returning to. Close

• 883. [Article] Stream channel response to peak flows in a fifth-order mountain watershed

  This investigation explored how the magnitude, style, and frequency of channel adjustments vary spatially and over time within a 5th-order mountain watershed. Historical data sets, including repeated cross ...

  Citation × Citation Citation Abstract Copy Title: Stream channel response to peak flows in a fifth-order mountain watershed Author: Faustini, John M. This investigation explored how the magnitude, style, and frequency of channel adjustments vary spatially and over time within a 5th-order mountain watershed. Historical data sets, including repeated cross section surveys spanning up to 20 years at five sites on 2nd to 5th-order channels and streamflow records spanning up to 50 years, were supplemented by mapping and field reconnaissance activities. The study had two major parts. The first focused on two adjacent, contrasting stream reaches to examine the influence of large woody debris (LWD) on channel morphology and channel response to peak flows in a 3rd-order stream. The upper reach flows through old-growth forest with abundant LWD, while the lower reach was clearcut in 1964-65 and contains little LWD. A 25-year flood in 1996 caused deposition upstream of LWD steps in the old-growth reach alternating with scour between steps, resulting in no net gain or loss of sediment within the reach, while extensive scour and coarsening of the bed occurred in the clearcut reach. These observations suggest that reach-scale channel response was strongly influenced by LWD abundance, but that response at finer scales depends critically on the details of the location and arrangement of LWD. The second part of the study examined the dynamics of channel response to peak flows over two decades, and to two particular large floods during that period, in different portions of the channel network. The cross section data show that the streambed at the study sites is very stable, particularly in lower-order channels. Peak flows that produced detectable change at 90% of cross sections-flows able to cause significant channel adjustments-recur approximately three times as frequently (every 6-7 years) in 4`" to 5`h-order Lookout Creek as in 3rd-order Mack Creek (20-25 years). Flows that produced detectable change at 25% of cross sections are estimated to occur on average every 1.7 to 3.0 years at the study sites. It is estimated that if peak flows of all sizes were increased by only 10% due to anthropogenic impacts (e.g., logging) or climate change, the frequency of peak flows of a magnitude observed to produce significant channel adjustments would increase by approximately 30% in Lookout Creek and 60% in Mack Creek. Title: Stream channel response to peak flows in a fifth-order mountain watershed Author: Faustini, John M. This investigation explored how the magnitude, style, and frequency of channel adjustments vary spatially and over time within a 5th-order mountain watershed. Historical data sets, including repeated cross section surveys spanning up to 20 years at five sites on 2nd to 5th-order channels and streamflow records spanning up to 50 years, were supplemented by mapping and field reconnaissance activities. The study had two major parts. The first focused on two adjacent, contrasting stream reaches to examine the influence of large woody debris (LWD) on channel morphology and channel response to peak flows in a 3rd-order stream. The upper reach flows through old-growth forest with abundant LWD, while the lower reach was clearcut in 1964-65 and contains little LWD. A 25-year flood in 1996 caused deposition upstream of LWD steps in the old-growth reach alternating with scour between steps, resulting in no net gain or loss of sediment within the reach, while extensive scour and coarsening of the bed occurred in the clearcut reach. These observations suggest that reach-scale channel response was strongly influenced by LWD abundance, but that response at finer scales depends critically on the details of the location and arrangement of LWD. The second part of the study examined the dynamics of channel response to peak flows over two decades, and to two particular large floods during that period, in different portions of the channel network. The cross section data show that the streambed at the study sites is very stable, particularly in lower-order channels. Peak flows that produced detectable change at 90% of cross sections-flows able to cause significant channel adjustments-recur approximately three times as frequently (every 6-7 years) in 4`" to 5`h-order Lookout Creek as in 3rd-order Mack Creek (20-25 years). Flows that produced detectable change at 25% of cross sections are estimated to occur on average every 1.7 to 3.0 years at the study sites. It is estimated that if peak flows of all sizes were increased by only 10% due to anthropogenic impacts (e.g., logging) or climate change, the frequency of peak flows of a magnitude observed to produce significant channel adjustments would increase by approximately 30% in Lookout Creek and 60% in Mack Creek. Close

• 884. [Article] A History of HABS and HAER in Oregon 1933-1983; a program in observance of the 50th anniversary of the founding of the Historic American Building Survey.

  Typescript of a two-part presentation commemorating a half-century of documenting Oregon's architectural heritage through the Historic American Building Survey. Consists of "Part I, The American Institute ...

  Citation × Citation Citation Abstract Copy Title: A History of HABS and HAER in Oregon 1933-1983; a program in observance of the 50th anniversary of the founding of the Historic American Building Survey. Author: Potter, Elisabeth Walton, Staehli, Alfred M. Year: 2016, 1984 Typescript of a two-part presentation commemorating a half-century of documenting Oregon's architectural heritage through the Historic American Building Survey. Consists of "Part I, The American Institute of Architects and the Historic American Buildings Survey in Oregon 1930-1940," by Elisabeth Walton Potter, Oregon State Historic Preservation Office, Salem, Oregon, and "Part II, Historic American Buildings Survey and the Historic American Engineer Record to the Present Day," by Alfred M. Staehli, A. I. A., Portland, Oregon. Digitized from a copy provided with permission to publish by author Elisabeth Walton Potter, member of the Marion Dean Ross / Pacific Northwest Chapter of the Society of Architectural Historians. Title: A History of HABS and HAER in Oregon 1933-1983; a program in observance of the 50th anniversary of the founding of the Historic American Building Survey. Author: Potter, Elisabeth Walton, Staehli, Alfred M. Year: 2016, 1984 Typescript of a two-part presentation commemorating a half-century of documenting Oregon's architectural heritage through the Historic American Building Survey. Consists of "Part I, The American Institute of Architects and the Historic American Buildings Survey in Oregon 1930-1940," by Elisabeth Walton Potter, Oregon State Historic Preservation Office, Salem, Oregon, and "Part II, Historic American Buildings Survey and the Historic American Engineer Record to the Present Day," by Alfred M. Staehli, A. I. A., Portland, Oregon. Digitized from a copy provided with permission to publish by author Elisabeth Walton Potter, member of the Marion Dean Ross / Pacific Northwest Chapter of the Society of Architectural Historians. Close

• 885. [Article] An Evaluation of Data Collected by Middle School and College-Level Students in Stream Channel Geomorphic Assessment

  This project tested the accuracy and repeatability of geomorphic stream channel assessments conducted by two different middle school classes from the Walt Morey Middle School in Troutdale, OR and college ...

  Citation × Citation Citation Abstract Copy Title: An Evaluation of Data Collected by Middle School and College-Level Students in Stream Channel Geomorphic Assessment Author: Lafrenz, Martin D. Year: 2013 This project tested the accuracy and repeatability of geomorphic stream channel assessments conducted by two different middle school classes from the Walt Morey Middle School in Troutdale, OR and college students from Portland State University in Portland, OR. Each group surveyed the same three cross-sections in Fairview Creek, a tributary to the Lower Columbia River, in order to assess stream channel geometry, discharge, composition of the bed material, and water quality. The three student groups were all able to accurately document the stream channel geometry, including stream width and mean depth, indicating that these data can be successfully collected by volunteers of various ages. However, stream velocity obtained using the float method was consistently overestimated leading to a biased calculation of discharge, and the low precision of the measurements did not allow for a correction of the bias. The median particle size of the bed material determined by a pebble count was also overestimated by each group, but the low precision also negated the possibility of correcting the estimate. The stored fine sediment in the bed was underestimated by each group and again with low precision. The temperature, pH, and conductivity measured with a calibrated multimeter were accurate and precise for all groups. Title: An Evaluation of Data Collected by Middle School and College-Level Students in Stream Channel Geomorphic Assessment Author: Lafrenz, Martin D. Year: 2013 This project tested the accuracy and repeatability of geomorphic stream channel assessments conducted by two different middle school classes from the Walt Morey Middle School in Troutdale, OR and college students from Portland State University in Portland, OR. Each group surveyed the same three cross-sections in Fairview Creek, a tributary to the Lower Columbia River, in order to assess stream channel geometry, discharge, composition of the bed material, and water quality. The three student groups were all able to accurately document the stream channel geometry, including stream width and mean depth, indicating that these data can be successfully collected by volunteers of various ages. However, stream velocity obtained using the float method was consistently overestimated leading to a biased calculation of discharge, and the low precision of the measurements did not allow for a correction of the bias. The median particle size of the bed material determined by a pebble count was also overestimated by each group, but the low precision also negated the possibility of correcting the estimate. The stored fine sediment in the bed was underestimated by each group and again with low precision. The temperature, pH, and conductivity measured with a calibrated multimeter were accurate and precise for all groups. Close

• 886. [Article] Thinning and in-stream wood recruitment in riparian second growth forests in coastal Oregon and the use of buffers and tree tipping as mitigation

  To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The article is copyrighted by Northeast Forestry ...

  Citation × Citation Citation Abstract Copy Title: Thinning and in-stream wood recruitment in riparian second growth forests in coastal Oregon and the use of buffers and tree tipping as mitigation Author: Litschert, S. E., Reeves, Gordon, Pabst, Robert, Benda, Lee E. To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The article is copyrighted by Northeast Forestry University and Springer-Verlag. It is published by Springer. It can be found at: http://link.springer.com/journal/11676 Title: Thinning and in-stream wood recruitment in riparian second growth forests in coastal Oregon and the use of buffers and tree tipping as mitigation Author: Litschert, S. E., Reeves, Gordon, Pabst, Robert, Benda, Lee E. To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The article is copyrighted by Northeast Forestry University and Springer-Verlag. It is published by Springer. It can be found at: http://link.springer.com/journal/11676 Close

• 887. [Article] Studies on increasing the production of anadromous salmonids in Oregon coast lakes and streams : annual report July 1, 1967 - June 30, 1968

  This report on departmental activities describes "physical stream and lake surveys, spawning fish surveys and individual investigations of particular human activities which might affeot the well being ...

  Citation × Citation Citation Abstract Copy Title: Studies on increasing the production of anadromous salmonids in Oregon coast lakes and streams : annual report July 1, 1967 - June 30, 1968 Author: Oregon. Pelagic Fisheries and Coastal Rivers Investigation This report on departmental activities describes "physical stream and lake surveys, spawning fish surveys and individual investigations of particular human activities which might affeot the well being of the salmon resource. The advent of federal cooperation has allowed an expansion of activities to include intensive collection of data on streams and lakes which have potential for salmon hatcheries." (from the Introduction) Title: Studies on increasing the production of anadromous salmonids in Oregon coast lakes and streams : annual report July 1, 1967 - June 30, 1968 Author: Oregon. Pelagic Fisheries and Coastal Rivers Investigation This report on departmental activities describes "physical stream and lake surveys, spawning fish surveys and individual investigations of particular human activities which might affeot the well being of the salmon resource. The advent of federal cooperation has allowed an expansion of activities to include intensive collection of data on streams and lakes which have potential for salmon hatcheries." (from the Introduction) Close

• 888. [Article] A physical and chemical characterization of stream water draining three Oregon Coast Range catchments

  Few studies have examined both long-term and fine-scale spatial variations in water quality of small streams in the Pacific Northwest. As such, a case study was conducted to determine if current physical ...

  Citation × Citation Citation Abstract Copy Title: A physical and chemical characterization of stream water draining three Oregon Coast Range catchments Author: Hale, V. Cody Few studies have examined both long-term and fine-scale spatial variations in water quality of small streams in the Pacific Northwest. As such, a case study was conducted to determine if current physical and chemical properties of water in three streams located in the Oregon Coast Range differed from historically measured conditions, taking differences in past management regimes into account. In addition, this research provides an assessment of spatial and temporal variability in nitratenitrogen (N) concentrations and summer stream temperatures within each catchment. The three research catchments were part of the Alsea Watershed Study (1959- 1973), where effects of forest management practices were examined using a pairedwatershed study design. One catchment, Needle Branch, was clear-cut with no protection provided to the stream. Harvesting in Needle Branch was followed by an intense broadcast burn to remove logging slash. Another catchment, Deer Creek, was patch-cut in three small units resulting in a 25% harvest of the total catchment area, but buffers were retained along fish-bearing streams. The third catchment, Flynn Creek, was used as a control. In this revisit to the Alsea Watersheds, measurements were conducted continuously (discharge, turbidity), intermittently (suspended sediments), and at regular intervals (nitrate-N) for one year between October 2005 and September 2006. Summertime stream temperature was also measured every half-hour from mid-June to mid-September. Comparisons of recent data with historic data show no detectable changes over time for streamflow characteristics (annual runoff volume, peak flow discharges, and number of low-flow days), annual sediment yield, or summer maximum stream temperatures. Current nitrate-N export was similar to historically measured values for Flynn Creek and Deer Creek; however, export at Needle Branch was increased over past levels. This observation may be caused by dense colonization of the riparian area with red alder (Alnus rubra), a N-fixing species, following the 1966 harvest. Patterns of nitrate-N concentration varied throughout each catchment and are likely influenced by the current distribution of red alder stands. Synoptically measured stream temperatures were variable along each stream’s longitudinal profile. The ability to meet Oregon’s water quality standard for temperature was dependent on measurement location and method of analysis. Evaluating individual sampling points as discrete records resulted in each stream exceeding the standard for at least one measurement location, whereas evaluating the criteria based on the mean of all data collected within the mainstem stream excluded Flynn Creek and Needle Branch from violation. These results highlight the physical and chemical variability of stream water draining Oregon Coast Range headwater catchments and provide insight as to where future work should be focused to gain a more thorough understanding of these dynamic systems. Title: A physical and chemical characterization of stream water draining three Oregon Coast Range catchments Author: Hale, V. Cody Few studies have examined both long-term and fine-scale spatial variations in water quality of small streams in the Pacific Northwest. As such, a case study was conducted to determine if current physical and chemical properties of water in three streams located in the Oregon Coast Range differed from historically measured conditions, taking differences in past management regimes into account. In addition, this research provides an assessment of spatial and temporal variability in nitratenitrogen (N) concentrations and summer stream temperatures within each catchment. The three research catchments were part of the Alsea Watershed Study (1959- 1973), where effects of forest management practices were examined using a pairedwatershed study design. One catchment, Needle Branch, was clear-cut with no protection provided to the stream. Harvesting in Needle Branch was followed by an intense broadcast burn to remove logging slash. Another catchment, Deer Creek, was patch-cut in three small units resulting in a 25% harvest of the total catchment area, but buffers were retained along fish-bearing streams. The third catchment, Flynn Creek, was used as a control. In this revisit to the Alsea Watersheds, measurements were conducted continuously (discharge, turbidity), intermittently (suspended sediments), and at regular intervals (nitrate-N) for one year between October 2005 and September 2006. Summertime stream temperature was also measured every half-hour from mid-June to mid-September. Comparisons of recent data with historic data show no detectable changes over time for streamflow characteristics (annual runoff volume, peak flow discharges, and number of low-flow days), annual sediment yield, or summer maximum stream temperatures. Current nitrate-N export was similar to historically measured values for Flynn Creek and Deer Creek; however, export at Needle Branch was increased over past levels. This observation may be caused by dense colonization of the riparian area with red alder (Alnus rubra), a N-fixing species, following the 1966 harvest. Patterns of nitrate-N concentration varied throughout each catchment and are likely influenced by the current distribution of red alder stands. Synoptically measured stream temperatures were variable along each stream’s longitudinal profile. The ability to meet Oregon’s water quality standard for temperature was dependent on measurement location and method of analysis. Evaluating individual sampling points as discrete records resulted in each stream exceeding the standard for at least one measurement location, whereas evaluating the criteria based on the mean of all data collected within the mainstem stream excluded Flynn Creek and Needle Branch from violation. These results highlight the physical and chemical variability of stream water draining Oregon Coast Range headwater catchments and provide insight as to where future work should be focused to gain a more thorough understanding of these dynamic systems. Close

• 889. [Article] 2004-2005 Hatchery Fish Carcass Placement in Oregon Streams

  Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement is commonly believed to replace some of the nutrients historically available to ...

  Citation × Citation Citation Abstract Copy Title: 2004-2005 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement is commonly believed to replace some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects, consumed by salmonids as food. Title: 2004-2005 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement is commonly believed to replace some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects, consumed by salmonids as food. Close

• 890. [Article] 2005-2006 Hatchery Fish Carcass Placement in Oregon Streams

  Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement replaces some of the nutrients historically available to fish from decaying carcasses ...

  Citation × Citation Citation Abstract Copy Title: 2005-2006 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement replaces some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects, consumed by salmonids as food. Information gathered from this analysis will help determine whether to continue, modify, or discontinue the carcass placement program. The monitoring and evaluation component of this project will investigate food web responses, along with other important factors Title: 2005-2006 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement replaces some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects, consumed by salmonids as food. Information gathered from this analysis will help determine whether to continue, modify, or discontinue the carcass placement program. The monitoring and evaluation component of this project will investigate food web responses, along with other important factors Close

• 891. [Article] 2006-2007 Hatchery Fish Carcass Placement in Oregon Streams

  Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement replaces some of the nutrients historically available to fish from decaying carcasses ...

  Citation × Citation Citation Abstract Copy Title: 2006-2007 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement replaces some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects, consumed by salmonids as food. Title: 2006-2007 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The purpose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement replaces some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects, consumed by salmonids as food. Close

• 892. [Article] 2008-2009 Hatchery Fish Carcass Placement in Oregon Streams

  Abstract -- The pupose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement is commonly believed to replace some of the nutrients historically available to ...

  Citation × Citation Citation Abstract Copy Title: 2008-2009 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The pupose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement is commonly believed to replace some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects consumed by salmonds as food. Title: 2008-2009 Hatchery Fish Carcass Placement in Oregon Streams Abstract -- The pupose of this document is to track the placement of salmon carcasses in streams. Fish carcass placement is commonly believed to replace some of the nutrients historically available to fish from decaying carcasses no longer present in large numbers. Nutrients provided by these carcasses are cycled through the food chain and become available to salmonids primarily through insects consumed by salmonds as food. Close

• 893. [Article] Summary Report: Bald Mountain Creek-Bear Creek (Elk River) Juvenile Snorkel Survey, August 2011

  Abstract -- A rapid bio-assessment juvenile snorkel survey of Bald Mtn occurred in Augutst 2011 on approximately 0.67 miles of stream, and pools were snorkeled on Bear Creek to determine presence/absence. ...

  Citation × Citation Citation Abstract Copy Title: Summary Report: Bald Mountain Creek-Bear Creek (Elk River) Juvenile Snorkel Survey, August 2011 Abstract -- A rapid bio-assessment juvenile snorkel survey of Bald Mtn occurred in Augutst 2011 on approximately 0.67 miles of stream, and pools were snorkeled on Bear Creek to determine presence/absence. Title: Summary Report: Bald Mountain Creek-Bear Creek (Elk River) Juvenile Snorkel Survey, August 2011 Abstract -- A rapid bio-assessment juvenile snorkel survey of Bald Mtn occurred in Augutst 2011 on approximately 0.67 miles of stream, and pools were snorkeled on Bear Creek to determine presence/absence. Close

• 894. [Article] Spawning Coho and Chinook Salmon Surveys in Coastal Watersheds of Oregon, 1976

  This document provides the methods and summary of continued surveys on spawning Chinook and Coho salmon in coastal streams of Oregon for 1950-1976.

  Citation × Citation Citation Abstract Copy Title: Spawning Coho and Chinook Salmon Surveys in Coastal Watersheds of Oregon, 1976 Author: Oregon. Department of Fish & Wildlife, Cummings, Ed This document provides the methods and summary of continued surveys on spawning Chinook and Coho salmon in coastal streams of Oregon for 1950-1976. Title: Spawning Coho and Chinook Salmon Surveys in Coastal Watersheds of Oregon, 1976 Author: Oregon. Department of Fish & Wildlife, Cummings, Ed This document provides the methods and summary of continued surveys on spawning Chinook and Coho salmon in coastal streams of Oregon for 1950-1976. Close

• 895. [Article] Surveys of fish species and habitat in Wilsonville streams

  This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

  Citation × Citation Citation Abstract Copy Title: Surveys of fish species and habitat in Wilsonville streams Year: 2006 This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes. Title: Surveys of fish species and habitat in Wilsonville streams Year: 2006 This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes. Close

• 896. [Article] Public Perceptions of Bioremediation at INEEL (Fall 2002)

  Contains an SPSS data set, survey instrument, codebook, and sample report.

  Citation × Citation Citation Abstract Copy Title: Public Perceptions of Bioremediation at INEEL (Fall 2002) Author: Oregon Survey Research Laboratory, Lach, D. (Denise) Year: 2005, 2002 Contains an SPSS data set, survey instrument, codebook, and sample report. Title: Public Perceptions of Bioremediation at INEEL (Fall 2002) Author: Oregon Survey Research Laboratory, Lach, D. (Denise) Year: 2005, 2002 Contains an SPSS data set, survey instrument, codebook, and sample report. Close

• 897. [Article] PeaceHealth Center for Senior Health Caregiver Study 2

  Contains code book, survey instrument, an SPSS data set, and a sample report.

  Citation × Citation Citation Abstract Copy Title: PeaceHealth Center for Senior Health Caregiver Study 2 Author: Oregon Survey Research Laboratory, PeaceHealth Year: 2005 Contains code book, survey instrument, an SPSS data set, and a sample report. Title: PeaceHealth Center for Senior Health Caregiver Study 2 Author: Oregon Survey Research Laboratory, PeaceHealth Year: 2005 Contains code book, survey instrument, an SPSS data set, and a sample report. Close

• 898. [Article] PeaceHealth Center for Senior Health Caregiver Study 3

  Contains code book, a survey instrument, a sample report, and an SPSS data set.

  Citation × Citation Citation Abstract Copy Title: PeaceHealth Center for Senior Health Caregiver Study 3 Author: Oregon Survey Research Laboratory, PeaceHealth Year: 2005 Contains code book, a survey instrument, a sample report, and an SPSS data set. Title: PeaceHealth Center for Senior Health Caregiver Study 3 Author: Oregon Survey Research Laboratory, PeaceHealth Year: 2005 Contains code book, a survey instrument, a sample report, and an SPSS data set. Close

• 899. [Article] PeaceHealth Center for Senior Health Caregiver Study 4

  Contains code book, a survey instrument, a sample report, and an SPSS data set.

  Citation × Citation Citation Abstract Copy Title: PeaceHealth Center for Senior Health Caregiver Study 4 Author: Oregon Survey Research Laboratory, PeaceHealth Year: 2005 Contains code book, a survey instrument, a sample report, and an SPSS data set. Title: PeaceHealth Center for Senior Health Caregiver Study 4 Author: Oregon Survey Research Laboratory, PeaceHealth Year: 2005 Contains code book, a survey instrument, a sample report, and an SPSS data set. Close

• 900. [Image] Survey of the Columbia River and its tributaries : Part 6 Area V - Snake River system from the mouth through the Grand Ronde River

  	Citation × Citation Citation Abstract Copy Title: Survey of the Columbia River and its tributaries : Part 6 Area V - Snake River system from the mouth through the Grand Ronde River Year: 1949 Title: Survey of the Columbia River and its tributaries : Part 6 Area V - Snake River system from the mouth through the Grand Ronde River Year: 1949 Close