Add to ORKGDrilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail.jp
Earth Moving in preparation for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1160/t...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Construction site at Grand Coulee Dam.https://dc.ewu.edu/blonk/1211/thumbnail.jp
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
Using air drills to prepare the bedrock for the foundation of Grand Coulee Dam.https://dc.ewu.edu/bl...
Working with air drills to remove fractured rock from the dam site before pouring the foundation for...
Working with air drills to remove fractured rock from the dam site before pouring the foundation for...
Crew working with air drills working their way to solid bedrock for the foundation of Grand Coulee D...
Construction at Grand Coulee Dam, showing several aspects of work. Drillers with air drills working...
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
Earth Moving in preparation for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1160/t...
Earth Moving in preparation for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1160/t...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Construction site at Grand Coulee Dam.https://dc.ewu.edu/blonk/1211/thumbnail.jp
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
Using air drills to prepare the bedrock for the foundation of Grand Coulee Dam.https://dc.ewu.edu/bl...
Working with air drills to remove fractured rock from the dam site before pouring the foundation for...
Working with air drills to remove fractured rock from the dam site before pouring the foundation for...
Crew working with air drills working their way to solid bedrock for the foundation of Grand Coulee D...
Construction at Grand Coulee Dam, showing several aspects of work. Drillers with air drills working...
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
cofferdam construction at Grand Coulee Dam.https://dc.ewu.edu/blonk/1066/thumbnail.jp
Earth Moving in preparation for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1160/t...
Earth Moving in preparation for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1160/t...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Construction site at Grand Coulee Dam.https://dc.ewu.edu/blonk/1211/thumbnail.jp