Aerial view of the project showing Mason City, and work under way on the cofferdam.https://dc.ewu.edu/blonk/1243/thumbnail.jp
A view of the construction of the Grand Coulee Dam taken from water level. Crane arms are visible ov...
View of the dam site and communities built to house workers.https://dc.ewu.edu/blonk/1151/thumbnail....
Looking across the dam as it nears completion.https://dc.ewu.edu/blonk/1117/thumbnail.jp
Aerial view of Grand Coulee Dam, looking south-west.https://dc.ewu.edu/blonk/1043/thumbnail.jp
A view of the construction of Grand Coulee Dam taken from the bank of the Columbia River. Cranes are...
Aerial view of Grand Coulee Dam and reservoirhttps://digitalcommons.cwu.edu/rufus_woods/1543/thumbna...
A view of from behind a cofferdam at Grand Coulee Dam.https://dc.ewu.edu/blonk/1451/thumbnail.jp
Air photo of Grand Coulee Dam, with third power house in operation.https://dc.ewu.edu/blonk/1055/thu...
Aerial view of Grand Coulee Dam showing construction of Third Powerplanthttps://digitalcommons.cwu.e...
Aerial view looking south-west, showing Third Powerhouse.https://dc.ewu.edu/blonk/1293/thumbnail.jp
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
Excavation of soil and loose rock, and work on the cofferdam were under way on the east end of the d...
A view of the construction of the Grand Coulee Dam taken from water level. Crane arms are visible ov...
View of the dam site and communities built to house workers.https://dc.ewu.edu/blonk/1151/thumbnail....
Looking across the dam as it nears completion.https://dc.ewu.edu/blonk/1117/thumbnail.jp
Aerial view of Grand Coulee Dam, looking south-west.https://dc.ewu.edu/blonk/1043/thumbnail.jp
A view of the construction of Grand Coulee Dam taken from the bank of the Columbia River. Cranes are...
Aerial view of Grand Coulee Dam and reservoirhttps://digitalcommons.cwu.edu/rufus_woods/1543/thumbna...
A view of from behind a cofferdam at Grand Coulee Dam.https://dc.ewu.edu/blonk/1451/thumbnail.jp
Air photo of Grand Coulee Dam, with third power house in operation.https://dc.ewu.edu/blonk/1055/thu...
Aerial view of Grand Coulee Dam showing construction of Third Powerplanthttps://digitalcommons.cwu.e...
Aerial view looking south-west, showing Third Powerhouse.https://dc.ewu.edu/blonk/1293/thumbnail.jp
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
Excavation of soil and loose rock, and work on the cofferdam were under way on the east end of the d...
A view of the construction of the Grand Coulee Dam taken from water level. Crane arms are visible ov...
View of the dam site and communities built to house workers.https://dc.ewu.edu/blonk/1151/thumbnail....
Looking across the dam as it nears completion.https://dc.ewu.edu/blonk/1117/thumbnail.jp