Photocopy of microfiched construction drawing by Galloway and Markwart Engineers, San Francisco, California, dated July 6, 1917 (Microfiched drawing at the Denver Service Center, -104-60154 - 16 of 18) FLOW LINE PIPE TRESTLE DETAILS - Yosemite Hydroelectric Power Plant, Highways 120 and 140, Yosemite Village, Mariposa County, CA

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Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

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