The Hetch Hetchy water supply and power project of San Francisco
By: M. M. O'Shaughnessy.
Publisher: M. M. O'Shaughnessy
Published: 1931
Place of publication: San Francisco
Language: eng
Number of pages: 64
Subjects: Hetch Hetchy Valley (Calif.) -- Water-supply.; San Francisco (Calif.) -- Water-supply.