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Gorge excavation confirms geological assumptions
Original advice on geological features of Black Canyon (Boulder Dam project) checked by subsequent investigations; removal of river fill reveals tight and sound canyon floor ideal for foundation of dam; evidence points to movement of entire river sediment during floods.
Gorge excavation confirms geological assumptions
Original advice on geological features of Black Canyon (Boulder Dam project) checked by subsequent investigations; removal of river fill reveals tight and sound canyon floor ideal for foundation of dam; evidence points to movement of entire river sediment during floods.
Gorge excavation confirms geological assumptions
Eng News-Rec
Engineering News-Record ; 111
1933
3 pages
Article (Journal)
English
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Engineering Index Backfile | 1939
|Engineering Index Backfile | 1939
|Engineering Index Backfile | 1894
|Engineering Index Backfile | 1939
|Engineering Index Backfile | 1939
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