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Big Sandy Dam (Or.) Hydroelectric power plants With digital objects
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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
Bull Run, Big Sandy dam canal excavation
Bull Run, Big Sandy dam canal excavation
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
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