Oak Grove project, floor under unit #1
Oak Grove project, Excavating for powerhouse site
Oak Grove project, slide on road below South Fork
Oak Grove project, South Fork rim rocks on log
Oak Grove project, looking east across Oak Grove Meadow
Oak Grove project, South fork rim rocks
Oak Grove project, second rock point above upper dam after blasting
Oak Grove project, looking east through pipe
Oak Grove project, party at Dead Horse Slide
Oak Grove project, bridge for well drilling
Oak Grove project, Wisco pipe traveler
Oak Grove project, coffer dam at dam site
Oak Grove project, party at Austin Hot Springs
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, party at Oak Grove Butte
Oak Grove project, old railroad trestle near Cazadero Dam
Oak Grove project, east along conduit line with Frog Lake in forground
Oak Grove project, Franklin T. Griffith and party
Oak Grove project, looking east at forebay site above dam and camp #4
Oak Grove project, first load of conduit pipe at Davis Ranch
Oak Grove project, first eight lengths of conduit line at Davis Ranch
Oak Grove project, steam shovel in slide
Oak Grove project, high climber topping small tree
Oak Grove project, setting up sawmill at camp #2
Oak Grove project, new and old clockhouse at Big Bottom
Oak Grove project, cabin and weather observing station at intake
