River Mill Dam, upstream
River Mill Dam, last unit
Station M at River Mill Dam
River Mill Dam, head gates
River Mill Dam, tail race
River Mill Dam
River Mill Dam, governor test #3
River Mill Dam and powerhouse
River Mill Dam and powerhouse
River Mill Dam, powerhouse interior
Test report on reconstruction of rotary converts
Sixty cycle rotary converts
Bull Run, Little Sandy Dam, high tension switch room 57,000
Bull Run, Inside governor and generator devices
Bull Run, Little Sandy Dam, powerhouse interior
Oak Grove unit #1
Oak Grove Project construction, second unit wheel base
Oak Grove Project, Station P
Oak Grove Project, Station P
Oak Grove Project construction
Oak Grove Project construction
Station G, Cazadero power station units
Cazadero Dam, powerhouse interior
