Add to ORKGWorkers mix newly poured concrete with agitators at Grand Coulee Dam.https://dc.ewu.edu/blonk/1485/thumbnail.jp
A concrete bucket is held by a crane above a form where workers wait to smooth the concrete.https://...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Several workers in hard hats pour and smooth concrete from four-yard buckets delivered by cranes at ...
Several workers pull down a bar that releases concrete from a four-yard bucket onto the onto a porti...
Three workers pull down a bar that releases concrete from a four-yard bucket onto the onto a portion...
Three workers pull down a bar that releases concrete from a four-yard bucket onto the onto a portion...
Men position a four-yard bucket over the foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/147...
Several workers in hard hats pour and smooth concrete from four-yard buckets delivered by cranes at ...
Several workers move about concrete forms at Grand Coulee Dam. A sign on the west slope reading Saf...
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...
Construction at Grand Coulee Dam, showing several aspects of work. Drillers with air drills working...
Two workmen appear to be pressure washing the top of a pour of concrete.https://dc.ewu.edu/blonk/127...
A concrete bucket is held by a crane above a form where workers wait to smooth the concrete.https://...
A concrete bucket is held by a crane above a form where workers wait to smooth the concrete.https://...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Several workers in hard hats pour and smooth concrete from four-yard buckets delivered by cranes at ...
Several workers pull down a bar that releases concrete from a four-yard bucket onto the onto a porti...
Three workers pull down a bar that releases concrete from a four-yard bucket onto the onto a portion...
Three workers pull down a bar that releases concrete from a four-yard bucket onto the onto a portion...
Men position a four-yard bucket over the foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/147...
Several workers in hard hats pour and smooth concrete from four-yard buckets delivered by cranes at ...
Several workers move about concrete forms at Grand Coulee Dam. A sign on the west slope reading Saf...
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...
Construction at Grand Coulee Dam, showing several aspects of work. Drillers with air drills working...
Two workmen appear to be pressure washing the top of a pour of concrete.https://dc.ewu.edu/blonk/127...
A concrete bucket is held by a crane above a form where workers wait to smooth the concrete.https://...
A concrete bucket is held by a crane above a form where workers wait to smooth the concrete.https://...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...
Several workers are on newly poured cement for the foundation of Grand Coulee Dam. A four-yard bucke...