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Yosemite National Park (Calif.)--Photographs
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LCSH Subjects = Yosemite National Park (Calif.)--Photographs
Workers rappelling down rock face during O’Shaughnessy Dam construction
California Photograph Collection
Two people examining O’Shaughnessy Dam construction progress
California Photograph Collection
O’Shaughnessy Dam during construction with stacked building materials
California Photograph Collection
Worker on cable over the O’Shaughnessy Dam during construction
California Photograph Collection
O’Shaughnessy Dam construction of bottom foundation looking down stream
California Photograph Collection
Worker on cable over the O’Shaughnessy Dam during construction
California Photograph Collection
O’Shaughnessy Dam releasing water
California Photograph Collection
Hetch Hetchy Valley
Photographer
California Photograph Collection
Tuolumne River Bridge, Hetch Hetchy Railroad
California Photograph Collection
Two people at Hetch Hetchy Railroad tracks along water's edge
California Photograph Collection
Unloading rail for Hetch Hetchy Railroad
California Photograph Collection
Spiking track - Hetch Hetchy Railroad
California Photograph Collection
Laying track, Hetch Hetchy Railroad
California Photograph Collection
O’Shaughnessy Dam during construction
California Photograph Collection
Hetch Hetchy Valley
California Photograph Collection
Hetch Hetchy Dam. Drainage wells formed of porous concrete blocks 3 ft. 3 in. square, with 15 in. square hole in center.
California Photograph Collection
O’Shaughnessy Dam construction in progress
California Photograph Collection
Hetch Hetchy dam. Precast porous concrete blocks for drainage wells. Rock crushing plant in background
California Photograph Collection
Hetch Hetchy Dam, looking downstream. Showing plum rock in place, and forms for incline inspection gallery
California Photograph Collection
Worker rappelling down rock face during O’Shaughnessy Dam construction
California Photograph Collection
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Type of Resource
still image
(21)
Genre
Photographs
(21)
Topic
Bridges--Design and construction
(2)
Concrete blocks
(2)
Dams--California
(11)
Dams--Drainage systems
(2)
Railroad construction workers
(3)
Railroad tracks
(6)
Rappelling
(2)
Rivers--California
(3)
Water-supply--California--San Francisco
(21)
Waterfalls--California
(1)
Subject
Hetch Hetchy Railroad
(6)