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Hydroelectric power plants With digital objects
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Generators - Bonneville Dam
Generators - Bonneville Dam
Mill River Power Plant - Estacada, Oregon
Mill River Power Plant - Estacada, Oregon
Station B, Oregon City Dam
Station B, Oregon City Dam
Station B, interior
Station B, interior
Oak Grove powerhouse
Oak Grove powerhouse
River Mill Dam, upstream
River Mill Dam, upstream
River Mill Dam
River Mill Dam
River Mill Dam and powerhouse
River Mill Dam and powerhouse
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Photograph showing a man kneeling at the top of the tunnel entrance at the Big Sandy Dam (likely the Marmot Dam). He is holding a labeled measuring stick that extends into the water below.  "1913" is etched above the arch of the tunnel.
Bull Run, Big Sandy flume entrance to tunnel
Oak Grove project, attaching coils to rotor of generator
Oak Grove project, attaching coils to rotor of generator
Station B
Station B
Station B
Station B
Station B
Station B
Aerial view of Oregon City and Willamette River
Aerial view of Oregon City and Willamette River
Model of the Bonneville Dam
Model of the Bonneville Dam
Construction of the Bonneville Dam
Construction of the Bonneville Dam
Station B
Station B
Station B
Station B
Cazadero Dam, exterior day after wreck
Cazadero Dam, exterior day after wreck
Cazadero Dam, interior day after wreck
Cazadero Dam, interior day after wreck
Station G, Cazadero power station units
Station G, Cazadero power station units
Group seated outside building at River Mill Hydroelectric Project
Group seated outside building at River Mill Hydroelectric Project
River Mill Dam, last unit
River Mill Dam, last unit
River Mill Dam, governor test #3
River Mill Dam, governor test #3
River Mill Dam and powerhouse
River Mill Dam and powerhouse
River Mill Dam, powerhouse interior
River Mill Dam, powerhouse interior
Bull Run, Little Sandy Dam high tension switch room
Bull Run, Little Sandy Dam high tension switch room
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