Hells Canyon Dam hearing
Detroit Dam Construction - Detroit, Oregon
McNary Dam construction
McNary Dam construction
McNary Dam construction workers on ferry
McNary Dam construction
Cazadero Dam, construction
Cazadero Dam, re-decking
Cazadero Dam, re-decking complete
Cazadero Dam, construction
Cazadero Dam
Cazadero Dam
Men working under dam structure, Columbia River?
River Mill, camp
Bull Run, Little Sandy Dam, overall view
Bull Run, reservoir
Bull Run, Little Sandy Dam penstocks from rise
Bull Run, powerhouse from north bank
Bull Run, Little Sandy Dam, power plant exterior
Bull Run, Little Sandy Dam, rooming house
Bull Run, contractors camp
Bull Run, site of depot
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy canal excavation
Bull Run, Big Sandy Dam, end of tunnel
Bull Run, Big Sandy tunnel construction
Bull Run, Little Sandy Dam, flume bridge over Little Sandy River
