Detailed map showing the system of Reservoirs and Pipelines, existing and proposed, for supplying water to the City of San Francisco.
The map includes the proposed Calveras Reservoir, a proposed Aquaduct and Tunnel from Arroyo Valley to the Reservoir and a proposed pipeline and tunnel connecting the Calaveras Reservoir to the Crysptal Springs Reservoir, among other projects.
In 1864, Hermann Schussler immigrated to California, and started working for the Spring Valley Water Works of San Francisco. He worked on several projects in the Bay Area. His most noteworthy projects are the dams at Crystal Springs Reservoir and San Andreas Lake which survived the 1906 San Francisco earthquake. Schussler became chief engineer of Marin County, and later of Virginia City . In Virginia City, Schussler worked for Virginia City and Gold Hill Water Company and build the Comstock water system. He also worked for the Sutro Tunnel Company and designed the water system for Tuscarora and Pioche. In 1878 Schussler worked on several water projects in Hawaii.