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Oak Grove Fork Clackamas River Dam construction With digital objects
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Oak Grove project, view of penstock line from office of Hurley-Mason Company office
Oak Grove project, view of penstock line from office of Hurley-Mason Company office
Oak Grove project, first eight lengths of conduit line at Davis Ranch
Oak Grove project, first eight lengths of conduit line at Davis Ranch
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, coffer dam at dam site
Oak Grove project, coffer dam at dam site
Oak Grove project, looking east across Oak Grove Meadow
Oak Grove project, looking east across Oak Grove Meadow
Oak Grove project, floor under unit #1
Oak Grove project, floor under unit #1
Oak Grove project, placing first concrete in powerhouse
Oak Grove project, placing first concrete in 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, setting up first column at powerhouse
Oak Grove project, setting up first column at powerhouse
Oak Grove project, electrical bay of powerhouse showing conduits
Oak Grove project, electrical bay of powerhouse showing conduits
Oak Grove project, powerhouse and Three Lynx camp
Oak Grove project, powerhouse and Three Lynx camp
Oak Grove project, powerhouse
Oak Grove project, powerhouse
Oak Grove project, view of dam
Oak Grove project, view of dam
Oak Grove project, contractors and engineers
Oak Grove project, contractors and engineers
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, closing of gates at dam
Oak Grove project, closing of gates at dam
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