Figures utilized for this site (listed chronologically)

Crystal Springs Dam (1909). DERLETH 89, Water Resources Center Archives, University of California, Berkeley.

[Table] Water Supply of San Francisco. IN: Future Water Supply of San Francisco From the Conservation and Use of its Present Resources (1912). The Spring Valley Water Company, San Francisco, p. [ii]. [WRCA call no. G4792 D2-3]

Calaveras Dam outlet tunnel (1918). HUBER 341, Water Resources Center Archives, University of California, Berkeley.

Hetch Hetchy Regional Water System. IN: Hetch Hetchy Resoration Study (2006). State of California, The Resources Agency, p. 11.
[WRCA call no. G4195 P6-1 L.C.]