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• 31. [Image] Temporary fish ladder

  	Entrance to temporary fish ladder at the Bonneville Dam
  	Citation × Citation Citation Abstract Copy Title: Temporary fish ladder Year: 1937 Entrance to temporary fish ladder at the Bonneville Dam Title: Temporary fish ladder Year: 1937 Entrance to temporary fish ladder at the Bonneville Dam Close

• 32. [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

• 33. [Image] Releasing marked fish

  	Releasing marked fish above Bonneville Dam with the anal and right vental removed
  	Citation × Citation Citation Abstract Copy Title: Releasing marked fish Year: 1940 Releasing marked fish above Bonneville Dam with the anal and right vental removed Title: Releasing marked fish Year: 1940 Releasing marked fish above Bonneville Dam with the anal and right vental removed Close

• 34. [Image] Releasing marked fish

  	Releasing marked fish above Bonneville Dam with the anal and right vental removed
  	Citation × Citation Citation Abstract Copy Title: Releasing marked fish Year: 1940 Releasing marked fish above Bonneville Dam with the anal and right vental removed Title: Releasing marked fish Year: 1940 Releasing marked fish above Bonneville Dam with the anal and right vental removed Close

• 35. [Image] Warrenton water supply dam

  	City of Warrenton water supply dam on the Lewis and Clark River. The main dam which was far below this washed out and was to be rebuilt in 1946
  	Citation × Citation Citation Abstract Copy Title: Warrenton water supply dam Year: 1946 City of Warrenton water supply dam on the Lewis and Clark River. The main dam which was far below this washed out and was to be rebuilt in 1946 Title: Warrenton water supply dam Year: 1946 City of Warrenton water supply dam on the Lewis and Clark River. The main dam which was far below this washed out and was to be rebuilt in 1946 Close

• 36. [Image] Warrenton water supply

  	City of Warrenton water supply dam on the Lewis and Clark River. ;The main dam washed out and was to be rebuilt in 1946. The dam will have a fish ladder
  	Citation × Citation Citation Abstract Copy Title: Warrenton water supply Year: 1946 City of Warrenton water supply dam on the Lewis and Clark River. ;The main dam washed out and was to be rebuilt in 1946. The dam will have a fish ladder Title: Warrenton water supply Year: 1946 City of Warrenton water supply dam on the Lewis and Clark River. ;The main dam washed out and was to be rebuilt in 1946. The dam will have a fish ladder Close

• 37. [Image] Lumber mill dam at Carlton, Oregon

  	Lumber mill dam on North Fork Yamhill River. Dam is an obstruction to migratory fish
  	Citation × Citation Citation Abstract Copy Title: Lumber mill dam at Carlton, Oregon Year: 1937 Lumber mill dam on North Fork Yamhill River. Dam is an obstruction to migratory fish Title: Lumber mill dam at Carlton, Oregon Year: 1937 Lumber mill dam on North Fork Yamhill River. Dam is an obstruction to migratory fish Close

• 38. [Image] Dam at Oregon state hatchery

  	Dam at Oregon state hatchery on the North Fork Klaskanine River
  	Citation × Citation Citation Abstract Copy Title: Dam at Oregon state hatchery Year: 1946 Dam at Oregon state hatchery on the North Fork Klaskanine River Title: Dam at Oregon state hatchery Year: 1946 Dam at Oregon state hatchery on the North Fork Klaskanine River Close

• 39. [Image] Grande Ronde River power diversion dam

  	Grande Ronde River showing power diversion at point between La Grande and Island City. Supplies water power to flour mill in Island City. No protective devices and no by-pass
  	Citation × Citation Citation Abstract Copy Title: Grande Ronde River power diversion dam Year: 1941 Grande Ronde River showing power diversion at point between La Grande and Island City. Supplies water power to flour mill in Island City. No protective devices and no by-pass Title: Grande Ronde River power diversion dam Year: 1941 Grande Ronde River showing power diversion at point between La Grande and Island City. Supplies water power to flour mill in Island City. No protective devices and no by-pass Close

• 40. [Image] Power diversion dam across Grande Ronde River

  	Grande Ronde River with power diversion dam completely across the river. It is a barrier for fish at low water when only seepage escapes downstream. Dam is located between La Grande and Island City, Oregon ...
  	Citation × Citation Citation Abstract Copy Title: Power diversion dam across Grande Ronde River Year: 1941 Grande Ronde River with power diversion dam completely across the river. It is a barrier for fish at low water when only seepage escapes downstream. Dam is located between La Grande and Island City, Oregon . River supplies water power for flour mill in Island City From enclosure: Diversion Dam for Island City flour mill Title: Power diversion dam across Grande Ronde River Year: 1941 Grande Ronde River with power diversion dam completely across the river. It is a barrier for fish at low water when only seepage escapes downstream. Dam is located between La Grande and Island City, Oregon . River supplies water power for flour mill in Island City From enclosure: Diversion Dam for Island City flour mill Close