Oak Grove project, powerhouse and Three Lynx camp
Oak Grove project, Willamette Iron and Steelworks pipe traveler
Oak Grove project, contractors and engineers
Oak Grove project, electrical bay of powerhouse showing conduits
Oak Grove project, powerhouse from across the river
Oak Grove project, setting up first column at powerhouse
Oak grove project, powerhouse
Oak Grove project, welder working at powerhouse
Oak Grove project, powerhouse sub structure
Oak Grove project, looking upstream from powerhouse
Oak Grove project, view of Frog Lake showing concrete cradles
Oak Grove project, placing first concrete in powerhouse
Oak Grove project, floor under unit #1
Oak Grove project, Excavating for powerhouse site
Oak Grove project, looking east across Oak Grove Meadow
Oak Grove project, looking east through pipe
Oak Grove project, Hurley-Mason Company pipe travelers being tested
Oak Grove project, Canyon Creek bridge
Oak Grove project, Hurley-Mason Company pipe travelers being tested
Oak Grove project, coffer dam at dam site
Oak Grove project, Wisco pipe traveler
Oak Grove project, first eight lengths of conduit line at Davis Ranch
Oak Grove project, east along conduit line with Frog Lake in forground
Oak Grove project, looking east at forebay site above dam and camp #4
Oak Grove project, Franklin T. Griffith and party
Oak Grove project, high climber topping small tree
Oak Grove project, setting up sawmill at camp #2
Oak Grove project, logging donkey
