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• 1. [Image] Fish ladder

  	Fish ladder on the Washougal River upper dam
  	Citation × Citation Citation Abstract Copy Title: Fish ladder Year: 1935 Fish ladder on the Washougal River upper dam Title: Fish ladder Year: 1935 Fish ladder on the Washougal River upper dam Close

• 2. [Image] Fish ladder

  	Fish ladder on the Washougal River upper dam
  	Citation × Citation Citation Abstract Copy Title: Fish ladder Year: 1935 Fish ladder on the Washougal River upper dam Title: Fish ladder Year: 1935 Fish ladder on the Washougal River upper dam Close

• 3. [Image] Fish ladder

  	Fish ladder on the Washougal River upper dam
  	Citation × Citation Citation Abstract Copy Title: Fish ladder Year: 1935 Fish ladder on the Washougal River upper dam Title: Fish ladder Year: 1935 Fish ladder on the Washougal River upper dam Close

• 4. [Image] East fish trap at Rock Island Dam

  	East fish trap and upper part of fish ladder at the Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: East fish trap at Rock Island Dam Year: 1939 East fish trap and upper part of fish ladder at the Rock Island Dam Title: East fish trap at Rock Island Dam Year: 1939 East fish trap and upper part of fish ladder at the Rock Island Dam Close

• 5. [Image] Lower falls fish ladder

  	Citation × Citation Citation Abstract Copy Title: Lower falls fish ladder Year: 1977 Title: Lower falls fish ladder Year: 1977 Close

• 6. [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

• 7. [Image] Rosa Dam Fish Ladder

  	Citation × Citation Citation Abstract Copy Title: Rosa Dam Fish Ladder Year: 1937 Title: Rosa Dam Fish Ladder Year: 1937 Close

• 8. [Image] River Mill Dam fish ladder

  	Fishway over River Mill Dam on the Clackamas River
  	Citation × Citation Citation Abstract Copy Title: River Mill Dam fish ladder Year: 1940 Fishway over River Mill Dam on the Clackamas River Title: River Mill Dam fish ladder Year: 1940 Fishway over River Mill Dam on the Clackamas River Close

• 9. [Image] Fish ladder

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

• 10. [Image] Lebanon Dam

  	Lebanon Dam on the South Santiam River with fish ladder
  	Citation × Citation Citation Abstract Copy Title: Lebanon Dam Year: 2003 Lebanon Dam on the South Santiam River with fish ladder Title: Lebanon Dam Year: 2003 Lebanon Dam on the South Santiam River with fish ladder Close