Man looking at machine units at River Mill Dam
Man with electrical generator at Oak Grove Dam
Interior of powerhouse at Oak Grove Dam
Oak Grove Project construction
Oak Grove Project, Station P
Oak Grove unit #1
Oak Grove Project, Station P
Oak Grove project, attaching coils to rotor of generator
Oak Grove project, generator weighing sixty tons
Oak Grove project, Willamette Iron and Steelworks pipe traveler
Oak Grove project, Hurley-Mason Company pipe travelers being tested
Oak Grove project, Hurley-Mason Company pipe travelers being tested
Oak Grove project, Wisco pipe traveler
Oak Grove project, logging donkey
Oak Grove project, caterpillar leaving Davis Ranch with lumber and supplies for camp #11
Oak Grove project, setting up tacoma logging engine
Oak Grove project, caterpillar pulling stumps on road at station A
Station B
Station B
Oak Grove, new electric shovel at Cazadero quarry
Station G, Cazadero power station
Bull Run, Governor device
Station B
Station B
Station B
Bull Run, Little Sandy Dam, high tension switch room 57,000
Bull Run, Little Sandy Dam, tower
Bull Run, Little Sandy Dam, unit number 2