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Hetch Hetchy Road, Between Mather & Hetch Hetchy Reservoir, Mather, Tuolumne County, CA

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Hetch Hetchy Road, Between Mather & Hetch Hetchy Reservoir, Mather, Tuolumne County, CA

description

Summary

Significance: Although the Hetch Hetchy Valley was known even earlier than the Yosemite Valley, no road reached the isolated valley until 1915. The road was built as a roadbed for the construction railway for the O'Shaughnessy Dam, the principal structure of the controversial Hetch Hetchy Reservoir project. The railway was converted to a park highway in 1925.
Unprocessed Field note material exists for this structure: N100
Survey number: HAER CA-152
Building/structure dates: 1915 Initial Construction
Building/structure dates: 1925 Subsequent Work

date_range

Date

1969 - 1980
person

Contributors

Historic American Engineering Record, creator
Alger, Russell A
Baird, Charles
Pinchot, Gifford
Benson, Harry C
Ballinger, Richard A
Freeman, John R
Fisher, Walter A
Utah Construction Company
Newhall, W H
Wosky, John B
Nelson, Keith
Hodell, Donald
Christianson, Justine, transmitter
place

Location

create

Source

Library of Congress
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

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