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• 81. [Image] Fish ladder over Elgin Dam

  	Fish ladder over Elgin Dam has only 1 pool in the ladder.. Zell Parkhurst is standing on the crest.
  	Citation × Citation Citation Abstract Copy Title: Fish ladder over Elgin Dam Year: 1940 Fish ladder over Elgin Dam has only 1 pool in the ladder.. Zell Parkhurst is standing on the crest. Title: Fish ladder over Elgin Dam Year: 1940 Fish ladder over Elgin Dam has only 1 pool in the ladder.. Zell Parkhurst is standing on the crest. Close

• 82. [Image] Dam and fish ladder

  	Dam and fish ladder on South Fork Clearwater River near Grangeville, Idaho
  	Citation × Citation Citation Abstract Copy Title: Dam and fish ladder Year: 1938 Dam and fish ladder on South Fork Clearwater River near Grangeville, Idaho Title: Dam and fish ladder Year: 1938 Dam and fish ladder on South Fork Clearwater River near Grangeville, Idaho Close

• 83. [Image] Dam and fish ladder

  	Dam and fish ladder on the South Fork Clearwater River near Grangeville, Idaho
  	Citation × Citation Citation Abstract Copy Title: Dam and fish ladder Year: 1938 Dam and fish ladder on the South Fork Clearwater River near Grangeville, Idaho Title: Dam and fish ladder Year: 1938 Dam and fish ladder on the South Fork Clearwater River near Grangeville, Idaho Close

• 84. [Image] Water supply diversion dam

  	City of Union, Oregon, water supply diversion dam and fish ladder. Floyd Bryant taking measurements
  	Citation × Citation Citation Abstract Copy Title: Water supply diversion dam Year: 1941 City of Union, Oregon, water supply diversion dam and fish ladder. Floyd Bryant taking measurements Title: Water supply diversion dam Year: 1941 City of Union, Oregon, water supply diversion dam and fish ladder. Floyd Bryant taking measurements Close

• 85. [Image] Temporary fish ladder

  	Temporary ladder on the Oregon side of the Bonneville Dam
  	Citation × Citation Citation Abstract Copy Title: Temporary fish ladder Year: 1937 Temporary ladder on the Oregon side of the Bonneville Dam Title: Temporary fish ladder Year: 1937 Temporary ladder on the Oregon side of the Bonneville Dam Close

• 86. [Image] Fish ladder in Burlingame Dam on the Walla Walla River

  	Citation × Citation Citation Abstract Copy Title: Fish ladder in Burlingame Dam on the Walla Walla River Year: 1935 Title: Fish ladder in Burlingame Dam on the Walla Walla River Year: 1935 Close

• 87. [Image] Washougal River

  	Washougal River at an upstream power dam which shows a new fish ladder
  	Citation × Citation Citation Abstract Copy Title: Washougal River Year: 1937 Washougal River at an upstream power dam which shows a new fish ladder Title: Washougal River Year: 1937 Washougal River at an upstream power dam which shows a new fish ladder Close

• 88. [Image] Powerhouse and fish ladder

  	Powerhouse and fish ladder in dam at outlet of Suttle Lake
  	Citation × Citation Citation Abstract Copy Title: Powerhouse and fish ladder Year: 1942 Powerhouse and fish ladder in dam at outlet of Suttle Lake Title: Powerhouse and fish ladder Year: 1942 Powerhouse and fish ladder in dam at outlet of Suttle Lake Close

• 89. [Image] Broken-down fish ladder over Steelhead Falls

  	Broken-down fish ladder over Steelhead Falls on the Deschutes River
  	Citation × Citation Citation Abstract Copy Title: Broken-down fish ladder over Steelhead Falls Year: 1942 Broken-down fish ladder over Steelhead Falls on the Deschutes River Title: Broken-down fish ladder over Steelhead Falls Year: 1942 Broken-down fish ladder over Steelhead Falls on the Deschutes River Close

• 90. [Image] Washington Water Power dam and ladder

  	Front view of dam
  	Citation × Citation Citation Abstract Copy Title: Washington Water Power dam and ladder Year: 1937 Front view of dam Title: Washington Water Power dam and ladder Year: 1937 Front view of dam Close

• 91. [Image] Galloway Dam and fish ladder

  	Citation × Citation Citation Abstract Copy Title: Galloway Dam and fish ladder Year: 1941 Title: Galloway Dam and fish ladder Year: 1941 Close

• 92. [Image] Chinooks jumping rock

  	Chinooks jumping rock left of middle ladder at Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Chinooks jumping rock Year: 1939 Chinooks jumping rock left of middle ladder at Rock Island Dam Title: Chinooks jumping rock Year: 1939 Chinooks jumping rock left of middle ladder at Rock Island Dam Close

• 93. [Image] Chinook jumping rock

  	Chinook jumping rock left of middle ladder at the Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Chinook jumping rock Year: 1939 Chinook jumping rock left of middle ladder at the Rock Island Dam Title: Chinook jumping rock Year: 1939 Chinook jumping rock left of middle ladder at the Rock Island Dam Close

• 94. [Image] Chinook jumping rock

  	Chinook jumping rock left of middle ladder at the Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Chinook jumping rock Year: 1939 Chinook jumping rock left of middle ladder at the Rock Island Dam Title: Chinook jumping rock Year: 1939 Chinook jumping rock left of middle ladder at the Rock Island Dam Close

• 95. [Image] Rosa Dam fish ladder

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

• 96. [Image] Rock Island dam spill and fish ladder

  	Rock Island dam and central spillway and fish ladder
  	Citation × Citation Citation Abstract Copy Title: Rock Island dam spill and fish ladder Year: 1939 Rock Island dam and central spillway and fish ladder Title: Rock Island dam spill and fish ladder Year: 1939 Rock Island dam and central spillway and fish ladder Close

• 97. [Image] Rosa Dam

  	Upstream side Irrigation ditch takes off at right behind "grizzly"
  	Citation × Citation Citation Abstract Copy Title: Rosa Dam Year: 1941 Upstream side Irrigation ditch takes off at right behind "grizzly" Title: Rosa Dam Year: 1941 Upstream side Irrigation ditch takes off at right behind "grizzly" Close

• 98. [Image] Temporary fish ladder

  	Temporary fish ladder at the Bonneville Dam on the Washington side. Dam was under construction
  	Citation × Citation Citation Abstract Copy Title: Temporary fish ladder Year: 1937 Temporary fish ladder at the Bonneville Dam on the Washington side. Dam was under construction Title: Temporary fish ladder Year: 1937 Temporary fish ladder at the Bonneville Dam on the Washington side. Dam was under construction Close

• 99. [Image] Temporary fish ladder

  	Temporary fish ladder on the Oregon side of the Bonneville Dam. There is a salmon in air at left side of jump
  	Citation × Citation Citation Abstract Copy Title: Temporary fish ladder Year: 1937 Temporary fish ladder on the Oregon side of the Bonneville Dam. There is a salmon in air at left side of jump Title: Temporary fish ladder Year: 1937 Temporary fish ladder on the Oregon side of the Bonneville Dam. There is a salmon in air at left side of jump Close

• 100. [Image] Fish ladder

  	Fish ladder at Clearwater River dam near Lewiston, Idaho
  	Citation × Citation Citation Abstract Copy Title: Fish ladder Year: 1936 Fish ladder at Clearwater River dam near Lewiston, Idaho Title: Fish ladder Year: 1936 Fish ladder at Clearwater River dam near Lewiston, Idaho Close