Big Creek #1 - Penstock Encasement - Penstock No. 1, Lines 1 & 2 - View of lower end of concrete encasement over lines 1 & 2. Lower diversion wall in right foreground.
Hydroelectric power Penstocks Construction Concrete
Place
Big Creek (Calif.) Fresno County (Calif.)
Source
Southern California Edison Photographs and Negatives G. Haven Bishop (SCE) Southern California Edison Photographs and Negatives, Huntington Digital Library
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