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• 1. [Image] Loading fish at central trap

  	Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Loading fish at central trap Year: 1940 Rock Island Dam Title: Loading fish at central trap Year: 1940 Rock Island Dam Close

• 2. [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

• 3. [Image] Left fish trap

  	Left (east) fish trap at Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Left fish trap Year: 1940 Left (east) fish trap at Rock Island Dam Title: Left fish trap Year: 1940 Left (east) fish trap at Rock Island Dam Close

• 4. [Image] Tunnels from collecting pool

  	Picture taken from brail showing tunnels which enter from collecting pool on the left trap at Rock Island Dam during Spring
  	Citation × Citation Citation Abstract Copy Title: Tunnels from collecting pool Year: 1939 Picture taken from brail showing tunnels which enter from collecting pool on the left trap at Rock Island Dam during Spring Title: Tunnels from collecting pool Year: 1939 Picture taken from brail showing tunnels which enter from collecting pool on the left trap at Rock Island Dam during Spring Close

• 5. [Image] Elevator down on the left trap

  	Elevator down on the left trap at Rock Island Dam during the summer
  	Citation × Citation Citation Abstract Copy Title: Elevator down on the left trap Year: 1939 Elevator down on the left trap at Rock Island Dam during the summer Title: Elevator down on the left trap Year: 1939 Elevator down on the left trap at Rock Island Dam during the summer Close

• 6. [Image] First fish haul

  	Left trap at Rock Island Dam during spring
  	Citation × Citation Citation Abstract Copy Title: First fish haul Year: 1939 Left trap at Rock Island Dam during spring Title: First fish haul Year: 1939 Left trap at Rock Island Dam during spring Close

• 7. [Image] Elevator tower and loading platform

  	Rock Island Dam left trap during summer
  	Citation × Citation Citation Abstract Copy Title: Elevator tower and loading platform Year: 1939 Rock Island Dam left trap during summer Title: Elevator tower and loading platform Year: 1939 Rock Island Dam left trap during summer Close

• 8. [Image] Brail from left trap

  	Brail from left trap at Rock Island Dam during summer
  	Citation × Citation Citation Abstract Copy Title: Brail from left trap Year: 1939 Brail from left trap at Rock Island Dam during summer Title: Brail from left trap Year: 1939 Brail from left trap at Rock Island Dam during summer Close

• 9. [Image] Gate into hoist at trap

  	View from brail into fish hoist at Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Gate into hoist at trap Year: 1939 View from brail into fish hoist at Rock Island Dam Title: Gate into hoist at trap Year: 1939 View from brail into fish hoist at Rock Island Dam Close

• 10. [Image] Center trap

  	Center trap at Rock Island Dam
  	Citation × Citation Citation Abstract Copy Title: Center trap Year: 1940 Center trap at Rock Island Dam Title: Center trap Year: 1940 Center trap at Rock Island Dam Close