Spray nozzles for use curing concrete in Grand Coulee Dam.https://dc.ewu.edu/blonk/1253/thumbnail.jp
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
A four-yard bucket for pouring concrete is attached to the hook of a crane on a trestle over the fou...
Men position a four-yard bucket over the foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/147...
Spray nozzles for use curing concrete in Grand Coulee Dam.https://dc.ewu.edu/blonk/1253/thumbnail.jp
Spraying the surface of concrete with white curing compound at South Coulee Damhttps://digitalcommon...
A row of concrete forms used to construct one section of Grand Coulee Dam. A four-yard bucket used f...
Portions of the foundation level of Grand Coulee Dam have been poured, others remain to be poured. ...
Workers mix newly poured concrete with agitators at Grand Coulee Dam.https://dc.ewu.edu/blonk/1485/t...
Employee inspecting piping at Grand Coulee Dam during the process of pouring and curing concrete.htt...
Three workers pull down a bar that releases concrete from a four-yard bucket onto the onto a portion...
Work on the base of the dam at its western end, showing steel trestles for travelling cranes, and we...
The foundation level of concrete had been poured.https://dc.ewu.edu/blonk/1174/thumbnail.jp
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
A special mechanical screed was built for finishing the concrete in the bucket section of Grand Coul...
Working with air drills to remove fractured rock from the dam site before pouring the foundation for...
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
A four-yard bucket for pouring concrete is attached to the hook of a crane on a trestle over the fou...
Men position a four-yard bucket over the foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/147...
Spray nozzles for use curing concrete in Grand Coulee Dam.https://dc.ewu.edu/blonk/1253/thumbnail.jp
Spraying the surface of concrete with white curing compound at South Coulee Damhttps://digitalcommon...
A row of concrete forms used to construct one section of Grand Coulee Dam. A four-yard bucket used f...
Portions of the foundation level of Grand Coulee Dam have been poured, others remain to be poured. ...
Workers mix newly poured concrete with agitators at Grand Coulee Dam.https://dc.ewu.edu/blonk/1485/t...
Employee inspecting piping at Grand Coulee Dam during the process of pouring and curing concrete.htt...
Three workers pull down a bar that releases concrete from a four-yard bucket onto the onto a portion...
Work on the base of the dam at its western end, showing steel trestles for travelling cranes, and we...
The foundation level of concrete had been poured.https://dc.ewu.edu/blonk/1174/thumbnail.jp
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
A special mechanical screed was built for finishing the concrete in the bucket section of Grand Coul...
Working with air drills to remove fractured rock from the dam site before pouring the foundation for...
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
A four-yard bucket for pouring concrete is attached to the hook of a crane on a trestle over the fou...
Men position a four-yard bucket over the foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/147...