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Portland General Electric Photograph Collection cellulose nitrate film With digital objects
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Oak Grove project, Clackamas River
Oak Grove project, Clackamas River
Oak Grove project, camp #10 at Davis Ranch
Oak Grove project, camp #10 at Davis Ranch
Oak Grove project, camp #2 near South fork
Oak Grove project, camp #2 near South fork
Oak Grove, new electric shovel at Cazadero quarry
Oak Grove, new electric shovel at Cazadero quarry
Cazadero Dam
Cazadero Dam
Oak Grove project, contractors and engineers
Oak Grove project, contractors and engineers
Oak Grove project, water filling pond less than one hour after closing dam
Oak Grove project, water filling pond less than one hour after closing dam
Oak Grove project, closing of gates at dam
Oak Grove project, closing of gates at dam
Oak Grove project, group standing on pipe at lower portal of tunnel #2
Oak Grove project, group standing on pipe at lower portal of tunnel #2
Oak Grove project, attaching coils to rotor of generator
Oak Grove project, attaching coils to rotor of generator
Oak Grove project, generator weighing sixty tons
Oak Grove project, generator weighing sixty tons
Oak Grove project, view of dam
Oak Grove project, view of dam
Oak Grove project, powerhouse
Oak Grove project, powerhouse
Oak Grove project, powerhouse and Three Lynx camp
Oak Grove project, powerhouse and Three Lynx camp
Oak Grove project, Willamette Iron and Steelworks pipe traveler
Oak Grove project, Willamette Iron and Steelworks pipe traveler
Oak Grove project, first load of conduit pipe at Davis Ranch
Oak Grove project, first load of conduit pipe at Davis Ranch
Oak Grove project, group at intake area above Three Lynx
Oak Grove project, group at intake area above Three Lynx
Oak Grove project, electrical bay of powerhouse showing conduits
Oak Grove project, electrical bay of powerhouse showing conduits
Oak Grove project, powerhouse from across the river
Oak Grove project, powerhouse from across the river
Oak Grove project, setting up first column at powerhouse
Oak Grove project, setting up first column at powerhouse
Oak grove project, powerhouse
Oak grove project, powerhouse
Oak Grove project, welder working at powerhouse
Oak Grove project, welder working at powerhouse
Oak Grove project, powerhouse sub structure
Oak Grove project, powerhouse sub structure
Oak Grove project, looking upstream from powerhouse
Oak Grove project, looking upstream from powerhouse
Oak Grove project, view of Frog Lake showing concrete cradles
Oak Grove project, view of Frog Lake showing concrete cradles
Oak Grove project, placing first concrete in powerhouse
Oak Grove project, placing first concrete in powerhouse
Oak Grove project, floor under unit #1
Oak Grove project, floor under unit #1
Oak Grove project, Excavating for powerhouse site
Oak Grove project, Excavating for powerhouse site
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