Oak Grove project, Excavating for powerhouse site
Oak Grove project, floor under unit #1
Oak Grove project, slide on road below South Fork
Oak Grove project, placing first concrete in powerhouse
Oak Grove project, powerhouse sub structure
Oak Grove project, camp #2 near South Fork
Oak Grove project, view of Frog Lake showing concrete cradles
Oak Grove project, scenic view from Oak Grove Butte
Oak Grove project, setting up first column at powerhouse
Oak Grove project, scenic view of Mt. Hood from Oak Grove Butte
Oak grove project, powerhouse
Oak Grove project, camp #2 near South fork
Oak Grove project, welder working at powerhouse
Oak Grove project, camp #2 near South fork
Oak Grove project, electrical bay of powerhouse showing conduits
Oak Grove project, Willamette Iron and Steelworks pipe traveler
Oak Grove project, upper dam site at intake
Oak Grove project, powerhouse and Three Lynx camp
Oak Grove project, men with wooden boards
Oak Grove project, view of dam
Oak Grove project, camp #3
Oak Grove project, generator weighing sixty tons
Oak Grove project, contractors and engineers
Oak Grove project, group standing on pipe at lower portal of tunnel #2
Oak Grove project, party at Three Lynx
Oak Grove project, water filling pond less than one hour after closing dam
Oak Grove Project construction
Oak Grove project, attaching coils to rotor of generator
