Excerpt from The Hetch Hetchy Water Supply and Power Project of San Francisco In.the design and construction of this work I have been aided by. An e sta'fi of a

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

Excerpt from Hetch Hetchy Water Supply AN francisco's earliest water supply was taken from wells within the City, and ten million gallons daily are still obtain

Excerpt from Benefits Accruing From the Hetch Hetchy Project, San Francisco Water Supply It has been pointed out that'the Hetch Hetchy water is of excellent qua