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• 31. [Image] Articles discussing William Finley lecture and effects of dams on salmon

  	Citation × Citation Citation Abstract Copy Title: Articles discussing William Finley lecture and effects of dams on salmon Author: Oregon Journal (Firm) Year: 1937 Title: Articles discussing William Finley lecture and effects of dams on salmon Author: Oregon Journal (Firm) Year: 1937 Close

• 32. [Image] Articles discussing effects of dams on salmon populations

  	Citation × Citation Citation Abstract Copy Title: Articles discussing effects of dams on salmon populations Author: Oregonian (Firm); Oregon Journal (Firm) Year: 1938 Title: Articles discussing effects of dams on salmon populations Author: Oregonian (Firm); Oregon Journal (Firm) Year: 1938 Close

• 33. [Image] Articles discussing construction of dams on Oregon rivers and salmon populations

  	Citation × Citation Citation Abstract Copy Title: Articles discussing construction of dams on Oregon rivers and salmon populations Author: Oregon Journal (Firm); Oregonian (Firm) Year: 1938 Title: Articles discussing construction of dams on Oregon rivers and salmon populations Author: Oregon Journal (Firm); Oregonian (Firm) Year: 1938 Close

• 34. [Image] Articles discussing construction of dams on Oregon rivers and salmon populations

  	Citation × Citation Citation Abstract Copy Title: Articles discussing construction of dams on Oregon rivers and salmon populations Author: Chicago Tribune (Firm); Oregonian (Firm) Year: 1938 Title: Articles discussing construction of dams on Oregon rivers and salmon populations Author: Chicago Tribune (Firm); Oregonian (Firm) Year: 1938 Close

• 35. [Image] Salmon entering elevator from brail

  	Rock Island Dam left trap in the summer
  	Citation × Citation Citation Abstract Copy Title: Salmon entering elevator from brail Year: 1939 Rock Island Dam left trap in the summer Title: Salmon entering elevator from brail Year: 1939 Rock Island Dam left trap in the summer Close

• 36. [Image] Foot of Cazadero Dam

  	Chinook salmon at foot of Cazadero Dam on Clackamas River; 1940-08-23
  	Citation × Citation Citation Abstract Copy Title: Foot of Cazadero Dam Year: 1940 Chinook salmon at foot of Cazadero Dam on Clackamas River; 1940-08-23 Title: Foot of Cazadero Dam Year: 1940 Chinook salmon at foot of Cazadero Dam on Clackamas River; 1940-08-23 Close

• 37. [Image] Chinooks at Cazadero Dam

  	Chinook salmon blocked at the foot of Cazadero Dam on the Clackamas River; 1940-08-23
  	Citation × Citation Citation Abstract Copy Title: Chinooks at Cazadero Dam Year: 1940 Chinook salmon blocked at the foot of Cazadero Dam on the Clackamas River; 1940-08-23 Title: Chinooks at Cazadero Dam Year: 1940 Chinook salmon blocked at the foot of Cazadero Dam on the Clackamas River; 1940-08-23 Close

• 38. [Image] First load of salmon

  	Left trap at Rock Island Dam during spring
  	Citation × Citation Citation Abstract Copy Title: First load of salmon Year: 1939 Left trap at Rock Island Dam during spring Title: First load of salmon Year: 1939 Left trap at Rock Island Dam during spring Close

• 39. [Image] Salmon entering elevator from brail

  	Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Salmon entering elevator from brail Year: 1939 Rock Island Dam Title: Salmon entering elevator from brail Year: 1939 Rock Island Dam Close

• 40. [Image] Chinooks at Abiqua Dam

  	Chinook salmon at foot of Abiqua Dam located near Silverton, Oregon; 1940-09-08
  	Citation × Citation Citation Abstract Copy Title: Chinooks at Abiqua Dam Year: 1940 Chinook salmon at foot of Abiqua Dam located near Silverton, Oregon; 1940-09-08 Title: Chinooks at Abiqua Dam Year: 1940 Chinook salmon at foot of Abiqua Dam located near Silverton, Oregon; 1940-09-08 Close