"Views of the New Ditch" a major engineering feat which supplied water to the county, poster by F. Holtzmann of Columbia, Tuolumne Co. at Tuolumne County Museum. Sonora, CA.
Photo by Jim Steinhart © 2016, all rights reserved. (Ref: CAGG3137)
Click an index below to see this photo among related images:
Tuolumne County Museum, Sonora, CA