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Portland General Electric Photograph Collection Oregon Hydroelectric power plants
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Portland General Electric Photograph Collection
Portland General Electric Photograph Collection
River Mill Dam, upstream
River Mill Dam, upstream
River Mill Dam, last unit
River Mill Dam, last unit
Station M at River Mill Dam
Station M at River Mill Dam
River Mill Dam, head gates
River Mill Dam, head gates
River Mill Dam, tail race
River Mill Dam, tail race
River Mill Dam
River Mill Dam
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 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
Bull Run, Little Sandy Dam powerhouse
Bull Run, Little Sandy Dam powerhouse
Bull Run, Little Sandy Dam, power plant exterior
Bull Run, Little Sandy Dam, power plant exterior
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, powerhouse from bridge
Bull Run, powerhouse from bridge
Bull Run, Little Sandy Dam, powerhouse
Bull Run, Little Sandy Dam, powerhouse
Bull Run, Little Sandy Dam, unit number 2
Bull Run, Little Sandy Dam, unit number 2
Bull Run, Little Sandy Dam, high tension switch room 57,000
Bull Run, Little Sandy Dam, high tension switch room 57,000
Bull Run, Inside governor and generator devices
Bull Run, Inside governor and generator devices
Bull Run, Little Sandy Dam, generator and governor
Bull Run, Little Sandy Dam, generator and governor
Bull Run, Little Sandy Dam, powerhouse interior
Bull Run, Little Sandy Dam, powerhouse interior
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 canal excavation
Bull Run, Big Sandy dam canal excavation
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