Placing needle valve pipes. Balch Afterbay Dam. The 6 foot diameter hole for by-pass of water was left in the middle of
the dam. This will be concreted in after completion. The abutment in the lower right-hand corner is to support the floor
under the free discharge valve.
Fresno County Public Library
November 28, 1927
5 x 7 inches black and white photograph
Fresno County (Calif.)
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