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A man walks down one slanted side of a concrete channel. Farther down on the other side is a machine called a slip form paver, working on the slanted wall on the far side. Located in the San Luis Division.
1 photograph :b&w Photographic prints
00009777 SecurityÂ Pacific National Bank Collection Industries-Water and Power-Water-Aqueduct CARL0000011776 http://184.108.40.206/cdm/ref/collection/photos/id/83998
Water resources development--California, Southern Water-supply--California, Southern Men--California, Southern