Ice Harbor Dam, Snake River
Theodore Clutter
Grand Coulee Dam Powerhouse
Earl Roberge
Bonneville Dam
William H. Mullins
Beaver Lodge
James Steinberg
Black-tailed Prairie Dog Family At Den
Ivan Kuzmin
Anderson Ranch Dam, Idaho
William H. Mullins
California, Shasta Dam
Bill W. Marsh
Mcnary Dam Spillway
Earl Roberge
Oxbow Dam, Snake River, Idaho
Theodore Clutter
Oxbow Dam, Snake River, Idaho #1
Theodore Clutter
Power Lines At The Hoover Dam
Mark Newman
Beaver Dam And Lodge
Ted Kinsman
Grand Coulee Dam
Photo Researchers, Inc.
Lower Granite Dam, Snake River, 1 Of 4
Theodore Clutter
John Day Dam, Columbia River
Theodore Clutter
Grand Coulee Dam
Earl Roberge
Hells Canyon Dam #1
Theodore Clutter
Bonneville Dam
Science Source
Ice Harbor Dam, Washington
Earl Roberge
Fish Ladder At Little Goose Dam, Snake
Theodore Clutter
Johnstown Flood, 1889
Science Source
Kruger National Park
Nigel Dennis
Beaver Dam And Lodge #2
Ted Kinsman
Hoover Dam #2
William H. Mullins
Glen Canyon Dam
Mark Newman
Hoover Dam
William H. Mullins
Glen Canyon Dam
Richard and Ellen Thane
Hoover Dam #1
William H. Mullins
Dworshak Dam
Theodore Clutter
Sanmen Gorge Dam, China
Brian Brake
Rudyard Reservoir Central Dam, 1871
Getty Research Institute
Beaver Dam And Lodge #4
Ted Kinsman
Beaver Dam And Lodge
Kenneth Murray
Beaver Dam And Lodge #3
Ted Kinsman
Mcnary Dam
DOE/Science Source
Beaver Dam #1
Ted Kinsman
Jackson Lake Dam, Wyoming
William H. Mullins
Hoover Dam #1
Bill Bachmann
Chief Joseph Dam #1
Earl Roberge
Oxbow Dam Reservoir
Theodore Clutter
Brownlee Dam Reservoir
Theodore Clutter
Lower Granite Dam, Snake River, 3 Of 4
Theodore Clutter
Hells Canyon Dam Reservoir
Theodore Clutter
Lower Monumental Dam, Snake River
Theodore Clutter
Mcnary Dam, Columbia River
Theodore Clutter
Construction Of Rock & Brush Dam, 1891 #1
Science Source
Mcnary Dam
Science Source
John Day Dam
William H. Mullins
Lake Mead And Hoover Dam
Adam G. Sylvester
Fish Ladder, The Dalles Dam
Inga Spence
Chief Joseph Dam
Earl Roberge
Grand Coulee Dam #2
Earl Roberge
Lower Granite Dam, Snake River, 2 Of 4
Theodore Clutter
Lower Granite Dam, Snake River, 4 Of 4
Theodore Clutter
Construction Of Rock & Brush Dam, 1891
Science Source
2nd Power Station At Bonneville Dam, 1
Theodore Clutter
Tooma Reservoir And Dam, Australia
Bill Bachmann
Grand Coulee Dam, Washington State
H. Armstrong Roberts/ClassicStock
Green River Timber Crib Dam, Vermont
Science Stock Photography
Green River Timber Crib Dam, Vermont #1
Science Stock Photography
Swan Falls Dam
Betty B. Derig
Grand Coulee Dam #1
Earl Roberge
Wells Dam, Washington
Earl Roberge
Glen Canyon Dam
Joseph Sohm
Spillway At Brownlee Dam, Idaho
Theodore Clutter