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Cazadero Dam, completed
Cazadero Dam, completed
Cazadero Dam
Cazadero Dam
Cazadero Dam, flume
Cazadero Dam, flume
Cazadero Dam, flume and railway
Cazadero Dam, flume and railway
Cazadero Dam, during flood
Cazadero Dam, during flood
Timothy Lake, dam structure
Timothy Lake, dam structure
Timothy Lake, log bridge
Timothy Lake, log bridge
Timothy Lake, view across lake
Timothy Lake, view across lake
Station B, Oregon City Dam
Station B, Oregon City Dam
Station B, Oregon City Dam
Station B, Oregon City Dam
Station B, Oregon City Dam
Station B, Oregon City Dam
Scenic view of Willamette Falls
Scenic view of Willamette Falls
Land-locked salmon of Wallowa Lake
Land-locked salmon of Wallowa Lake
Articles and correspondence
Articles and correspondence
Articles discussing establishment of Malheur Lake bird refuge, effects of dam construction on the...
Articles discussing establishment of Malheur Lake bird refuge, effects of dam construction on the Columbia River, and William Finley lecture
Results 281 to 295 of 295