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Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-05-04
Description
Looking out of the lower portal of Diversion Tunnel #2. Note the size of the men in the entrance. January 25, 1932.
Warren A. Bechtel Album of Hoover Dam: photographic print
Date
1971-07-01
Description
p.8 #989 Looking upstream at Black Canyon. Dam will be located just upstream from foot-bridge, at bottom of picture. Entrance to upper portals of diversion tunnels opposite the middle truck bridge. Mar. 12, 1932. p.8 #996 Looking downstream from same point as No.989. Lower portals of diversion tunnels are just below. This picture Presents graphic view of problem of muck disposal. Mar. 14, 1932.
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