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1956 Map of Hetch Hetchy Reservoir, 1960 Print
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1956 Map of Hetch Hetchy Reservoir

USGS Topo · Published 1960

About this map

Hetch Hetchy Reservoir and the sheer granite walls of the Grand Canyon of the Tuolumne River dominate this mid-century survey of the northern backcountry. The map captures the infrastructure of the High Sierra before modern expansions, documenting the Spillway elevation and the winding course of the Tioga Road as it passes high-altitude landmarks like White Wolf and Dark Hole. In the south, the detail shifts to the iconic precipices of the Valley, including Yosemite Falls, North Dome, and Mount Watkins.

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Map Details

Date Portrayed1956
Date Published1960
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62500
Physical Dimensions16.6 x 20.7 inches

Editions of this 1956 Hetch Hetchy Reservoir Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain