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• 11. [Image] Rosa Dam

  	Fish ladder over Rosa Dam
  	Citation × Citation Citation Abstract Copy Title: Rosa Dam Year: 1941 Fish ladder over Rosa Dam Title: Rosa Dam Year: 1941 Fish ladder over Rosa Dam Close

• 12. [Image] Bottom of fishway

  	Bottom of fishway over lumber mill dam at Carlton, Oregon, on the North Yamhill River;1940-08-24 Photograph from Album 1 page 44
  	Citation × Citation Citation Abstract Copy Title: Bottom of fishway Year: 1940 Bottom of fishway over lumber mill dam at Carlton, Oregon, on the North Yamhill River;1940-08-24 Photograph from Album 1 page 44 Title: Bottom of fishway Year: 1940 Bottom of fishway over lumber mill dam at Carlton, Oregon, on the North Yamhill River;1940-08-24 Photograph from Album 1 page 44 Close

• 13. [Image] Fish ladder on Willamina Creek

  	Citation × Citation Citation Abstract Copy Title: Fish ladder on Willamina Creek Year: 1940 Title: Fish ladder on Willamina Creek Year: 1940 Close

• 14. [Image] Fish ladder near Willamina, Oregon

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

• 15. [Image] Power plant tail-race

  	Power plant tail-race and mouth of fish ladder at the River Mill Power Plant on the Clackamas River;1940-08-23
  	Citation × Citation Citation Abstract Copy Title: Power plant tail-race Year: 1940 Power plant tail-race and mouth of fish ladder at the River Mill Power Plant on the Clackamas River;1940-08-23 Title: Power plant tail-race Year: 1940 Power plant tail-race and mouth of fish ladder at the River Mill Power Plant on the Clackamas River;1940-08-23 Close

• 16. [Image] Dam and fish ladder near Glenwood

  	Consolidated Lumber Company's dam and fish ladder near Glenwood, Oregon, on Gales Creek, a tributary of the Tualatin River; 1940-09-21
  	Citation × Citation Citation Abstract Copy Title: Dam and fish ladder near Glenwood Year: 1940 Consolidated Lumber Company's dam and fish ladder near Glenwood, Oregon, on Gales Creek, a tributary of the Tualatin River; 1940-09-21 Title: Dam and fish ladder near Glenwood Year: 1940 Consolidated Lumber Company's dam and fish ladder near Glenwood, Oregon, on Gales Creek, a tributary of the Tualatin River; 1940-09-21 Close

• 17. [Image] Dam and fish ladder

  	Citation × Citation Citation Abstract Copy Title: Dam and fish ladder Year: 1940 Title: Dam and fish ladder Year: 1940 Close

• 18. [Image] Dam board in fish ladder

  	Coast Fork Willamette River above Cottage Grove, Oregon, showing dam board in poor fish ladder;1938-06
  	Citation × Citation Citation Abstract Copy Title: Dam board in fish ladder Year: 1938 Coast Fork Willamette River above Cottage Grove, Oregon, showing dam board in poor fish ladder;1938-06 Title: Dam board in fish ladder Year: 1938 Coast Fork Willamette River above Cottage Grove, Oregon, showing dam board in poor fish ladder;1938-06 Close

• 19. [Image] Dry fish ladder

  	Dry fish ladder at Mountain States Power Plant at Stayton, Oregon (Chinooks fighting tailrace);1940-08-11
  	Citation × Citation Citation Abstract Copy Title: Dry fish ladder Year: 1940 Dry fish ladder at Mountain States Power Plant at Stayton, Oregon (Chinooks fighting tailrace);1940-08-11 Title: Dry fish ladder Year: 1940 Dry fish ladder at Mountain States Power Plant at Stayton, Oregon (Chinooks fighting tailrace);1940-08-11 Close

• 20. [Image] Mt States Power Co ladder

  	Mountain States Power Company fish ladder;1940-08-09
  	Citation × Citation Citation Abstract Copy Title: Mt States Power Co ladder Year: 1940 Mountain States Power Company fish ladder;1940-08-09 Title: Mt States Power Co ladder Year: 1940 Mountain States Power Company fish ladder;1940-08-09 Close