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Clackamas County (Or.) Hydroelectric power plants
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Aerial view of Oregon City and Willamette River
Aerial view of Oregon City and Willamette River
Aerial view of Oregon City and Willamette River
Aerial view of Oregon City and Willamette River
Bull Run, Big Sandy canal excavation
Bull Run, Big Sandy canal excavation
Bull Run, Big Sandy Dam canal and flume construction
Bull Run, Big Sandy Dam canal and flume construction
Bull Run, Big Sandy dam canal excavation
Bull Run, Big Sandy dam canal excavation
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
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
Bull Run, Big Sandy tunnel construction
Bull Run, Big Sandy tunnel construction
Bull Run, Inside governor and generator devices
Bull Run, Inside governor and generator devices
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam high tension switch room
Bull Run, Little Sandy Dam high tension switch room
Bull Run, Little Sandy Dam powerhouse
Bull Run, Little Sandy Dam powerhouse
Bull Run, Little Sandy Dam, generator and governor
Bull Run, Little Sandy Dam, generator and governor
Bull Run, Little Sandy Dam, high tension switch room 57,000
Bull Run, Little Sandy Dam, high tension switch room 57,000
Bull Run, Little Sandy Dam, power plant exterior
Bull Run, Little Sandy Dam, power plant exterior
Bull Run, Little Sandy Dam, powerhouse
Bull Run, Little Sandy Dam, powerhouse
Bull Run, Little Sandy Dam, powerhouse interior
Bull Run, Little Sandy Dam, powerhouse interior
Bull Run, Little Sandy Dam, unit number 2
Bull Run, Little Sandy Dam, unit number 2
Bull Run, powerhouse from bridge
Bull Run, powerhouse from bridge
Cazadero Dam, exterior day after wreck
Cazadero Dam, exterior day after wreck
Cazadero Dam, interior day after wreck
Cazadero Dam, interior day after wreck
Results 1 to 28 of 74