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• 41. [Image] Boulders in stream

  	Citation × Citation Citation Abstract Copy Title: Boulders in stream Year: 1937 Title: Boulders in stream Year: 1937 Close

• 42. [Image] Survey of the Columbia River and its tributaries : Part 3

  	The purpose of this Columbia River Stream Survey has been to provide data for evaluation of each stream, or portion of stream, from the standpoint of its present and potential value in relation to the ...
  	Citation × Citation Citation Abstract Copy Title: Survey of the Columbia River and its tributaries : Part 3 Year: 1949 The purpose of this Columbia River Stream Survey has been to provide data for evaluation of each stream, or portion of stream, from the standpoint of its present and potential value in relation to the maintenance of the salmon resources of the Columbia River Two reports have been published to date, this being the third of the series This report deals with the streams in Area II Area II includes all tributaries entering the Columbia River on the south, or Oregon side, in the 204 miles from the mouth up to but not including the Deschutes River Title: Survey of the Columbia River and its tributaries : Part 3 Year: 1949 The purpose of this Columbia River Stream Survey has been to provide data for evaluation of each stream, or portion of stream, from the standpoint of its present and potential value in relation to the maintenance of the salmon resources of the Columbia River Two reports have been published to date, this being the third of the series This report deals with the streams in Area II Area II includes all tributaries entering the Columbia River on the south, or Oregon side, in the 204 miles from the mouth up to but not including the Deschutes River Close

• 43. [Image] Quartz Creek stream survey

  	Quartz Creek is a tributary to the Cispus River
  	Citation × Citation Citation Abstract Copy Title: Quartz Creek stream survey Year: 1936 Quartz Creek is a tributary to the Cispus River Title: Quartz Creek stream survey Year: 1936 Quartz Creek is a tributary to the Cispus River Close

• 44. [Image] Quartz Creek stream survey

  	Quartz Creek is a tributary to the Cispus River
  	Citation × Citation Citation Abstract Copy Title: Quartz Creek stream survey Year: 1936 Quartz Creek is a tributary to the Cispus River Title: Quartz Creek stream survey Year: 1936 Quartz Creek is a tributary to the Cispus River Close

• 45. [Image] Woods Creek

  	Mouth of Woods Creek showing steep gradient and moss-covered boulders in stream bed. It is inaccessible at low water. Woods Creek is a tributary to the Cispus River
  	Citation × Citation Citation Abstract Copy Title: Woods Creek Year: 1941 Mouth of Woods Creek showing steep gradient and moss-covered boulders in stream bed. It is inaccessible at low water. Woods Creek is a tributary to the Cispus River Title: Woods Creek Year: 1941 Mouth of Woods Creek showing steep gradient and moss-covered boulders in stream bed. It is inaccessible at low water. Woods Creek is a tributary to the Cispus River Close

• 46. [Image] Stream bed above Lebanon

  	South Santiam River stream bed above Lebanon, Oregon Large rubble and bedrock were becoming dominant;1940-08-12
  	Citation × Citation Citation Abstract Copy Title: Stream bed above Lebanon Year: 1940 South Santiam River stream bed above Lebanon, Oregon Large rubble and bedrock were becoming dominant;1940-08-12 Title: Stream bed above Lebanon Year: 1940 South Santiam River stream bed above Lebanon, Oregon Large rubble and bedrock were becoming dominant;1940-08-12 Close

• 47. [Image] Boat survey Clackamas River

  	Boat survey on the Clackamas River; 1938-06-28
  	Citation × Citation Citation Abstract Copy Title: Boat survey Clackamas River Year: 1938 Boat survey on the Clackamas River; 1938-06-28 Title: Boat survey Clackamas River Year: 1938 Boat survey on the Clackamas River; 1938-06-28 Close

• 48. [Image] Surveying Yakima River

  	Mitch Hanavan at oars and Dick Whiteleather on stream survey of the Yakima River
  	Citation × Citation Citation Abstract Copy Title: Surveying Yakima River Year: 1936 Mitch Hanavan at oars and Dick Whiteleather on stream survey of the Yakima River Title: Surveying Yakima River Year: 1936 Mitch Hanavan at oars and Dick Whiteleather on stream survey of the Yakima River Close

• 49. [Image] Dam on Milton Creek near St Helens, Oregon

  	Citation × Citation Citation Abstract Copy Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Close

• 50. [Image] Dam on Milton Creek near St Helens, Oregon

  	Citation × Citation Citation Abstract Copy Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Close

• 51. [Image] Dam on Milton Creek near St Helens, Oregon

  	Citation × Citation Citation Abstract Copy Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Title: Dam on Milton Creek near St Helens, Oregon Year: 1946 Close

• 52. [Image] Abandoned dam

  	Abandoned dam on the Coast Fork Willamette River; 1938-06-20
  	Citation × Citation Citation Abstract Copy Title: Abandoned dam Year: 1938 Abandoned dam on the Coast Fork Willamette River; 1938-06-20 Title: Abandoned dam Year: 1938 Abandoned dam on the Coast Fork Willamette River; 1938-06-20 Close

• 53. [Image] Confluence of Big and Little Looking Glass Creeks

  	Citation × Citation Citation Abstract Copy Title: Confluence of Big and Little Looking Glass Creeks Year: 1940 Title: Confluence of Big and Little Looking Glass Creeks Year: 1940 Close

• 54. [Image] Cedar Creek Falls

  	Birdseye view of Cedar Creek falls and small power developement
  	Citation × Citation Citation Abstract Copy Title: Cedar Creek Falls Year: 1937 Birdseye view of Cedar Creek falls and small power developement Title: Cedar Creek Falls Year: 1937 Birdseye view of Cedar Creek falls and small power developement Close

• 55. [Image] Silver Falls Creek

  	Silver Falls Creek, tributary to the Cispus River
  	Citation × Citation Citation Abstract Copy Title: Silver Falls Creek Year: 1936 Silver Falls Creek, tributary to the Cispus River Title: Silver Falls Creek Year: 1936 Silver Falls Creek, tributary to the Cispus River Close

• 56. [Image] Finley Mill Dam

  	Citation × Citation Citation Abstract Copy Title: Finley Mill Dam Year: 1940 Title: Finley Mill Dam Year: 1940 Close

• 57. [Image] Fish screens, head-gates, & by-pass

  	Citation × Citation Citation Abstract Copy Title: Fish screens, head-gates, & by-pass Year: 1940 Title: Fish screens, head-gates, & by-pass Year: 1940 Close

• 58. [Image] Chinooks on riffle

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

• 59. [Image] Chinooks on riffle

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

• 60. [Image] Stayton power canal by-pass

  	Stayton power canal by-pass; 1940-08-06
  	Citation × Citation Citation Abstract Copy Title: Stayton power canal by-pass Year: 1940 Stayton power canal by-pass; 1940-08-06 Title: Stayton power canal by-pass Year: 1940 Stayton power canal by-pass; 1940-08-06 Close