Crude roads run up a rocky hillside on the Grand Coulee Dam construction site.https://dc.ewu.edu/blonk/1521/thumbnail.jp
Newly poured sections of foundation are visible beneath a railway trestle at the Grand Coulee Dam co...
A view of the construction of the Grand Coulee Dam taken from water level. Crane arms are visible ov...
Framed by a tunnel in the bedrock, the steel trestle and foundation level of Grand Coulee Dam stretc...
Crude roads run up a rocky hillside on the Grand Coulee Dam construction site.https://dc.ewu.edu/blo...
Construction site at Grand Coulee Dam.https://dc.ewu.edu/blonk/1211/thumbnail.jp
Early construction work at the dam site. Removal of overburden was under way. View looking upstrea...
A ramp extends down the cliffside along the Grand Coulee Dam construction site. A section of railway...
Rocks and rubble are piled up near the base of Grand Coulee Dam. The base of the trashracks are unde...
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
A view of the construction of the Grand Coulee Dam taken from an elevated position. Trash racks and ...
This photograph was taken before dam construction. The street grading was for engineers\u27 town.ht...
Earth Moving in preparation for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1160/t...
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
A power shovel removes earth from a hillside near Grand Coulee Dam. It is one of many vehicles excav...
Work on the base of the dam at its western end, showing steel trestles for travelling cranes, and we...
Newly poured sections of foundation are visible beneath a railway trestle at the Grand Coulee Dam co...
A view of the construction of the Grand Coulee Dam taken from water level. Crane arms are visible ov...
Framed by a tunnel in the bedrock, the steel trestle and foundation level of Grand Coulee Dam stretc...
Crude roads run up a rocky hillside on the Grand Coulee Dam construction site.https://dc.ewu.edu/blo...
Construction site at Grand Coulee Dam.https://dc.ewu.edu/blonk/1211/thumbnail.jp
Early construction work at the dam site. Removal of overburden was under way. View looking upstrea...
A ramp extends down the cliffside along the Grand Coulee Dam construction site. A section of railway...
Rocks and rubble are piled up near the base of Grand Coulee Dam. The base of the trashracks are unde...
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
A view of the construction of the Grand Coulee Dam taken from an elevated position. Trash racks and ...
This photograph was taken before dam construction. The street grading was for engineers\u27 town.ht...
Earth Moving in preparation for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1160/t...
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
A power shovel removes earth from a hillside near Grand Coulee Dam. It is one of many vehicles excav...
Work on the base of the dam at its western end, showing steel trestles for travelling cranes, and we...
Newly poured sections of foundation are visible beneath a railway trestle at the Grand Coulee Dam co...
A view of the construction of the Grand Coulee Dam taken from water level. Crane arms are visible ov...
Framed by a tunnel in the bedrock, the steel trestle and foundation level of Grand Coulee Dam stretc...