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Central fish hoist at Rock Island Dam
1938-11-30
Rock Island Dam on the Columbia River
1933-11-30
Gate into hoist of fish trap at Rock Island Dam
1938-11-30
Chinooks in brail at Rock Island Dam
1938-11-30
Chinooks in brail in the south trap at Rock Island Dam
1938-11-30
Central fish hoist and elevator at Rock Island Dam
1938-11-30
Left (east) fish trap at Rock Island Dam
1939-11-30
Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
1939-11-30
Rock Island Dam on the Columbia River
1933-11-30
Tunnels from collecting pool to brail, on left trap, at the Rock Island Dam in the spring
1938-11-30
Fish ladder and collecting pool, left trap, at the Rock Island Dam
1938-11-30
Left Ladder (east fishway) at Rock Island Dam
1938-11-30
Picture taken from collecting pool showing tunnels leading to brail, at left trap on the Rock Island Dam during Spring
1938-11-30
Brail from left trap at Rock Island Dam during summer
1938-11-30
Left trap at the Rock Island Dam during the summer
1938-11-30
Rock Island Dam on the Columbia River
1933-11-30
Picture taken from brail showing tunnels which enter from collecting pool on the left trap at Rock Island Dam during Spring
1938-11-30
Rock Island Dam left trap during summer
1938-11-30
Left trap at Rock Island Dam during spring
1939-04-30
Left trap at Rock Island Dam during spring
1938-11-30
Left trap at Rock Island Dam
Washington Governor Clarence Daniel Martin on truck
1939-04-30
Rock Island Dam on the Columbia River
1933-11-30
Chinooks jumping left of middle ladder at Rock Island Dam
1939-07-31
Rock Island Dam
1939-07-31
Chinooks jumping rock left of middle ladder at Rock Island Dam
1939-07-31
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