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Summary
Significance: It was an important feature in the construction of Hoover Dam. The tunnel that was excavated to allow waste rock from Hoover Dam tunnels and other facilities to be deposited at the Nevada downstream waste tailings site.
Survey number: HAER NV-27-X
Building/structure dates: 1931 Initial Construction
National Register of Historic Places NRIS Number: 81000382
Tags
tunnels
boulder city
hoover
dam
hoover dam
nevada
spoils
tunnel
nevada spoils tunnel
portal
access
portal tunnel access road
boulder
clark county
historic american engineering record
inc six companies
us bureau of reclamation
ultra high resolution
high resolution
1960 s
library of congress
national register of historic places
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
U.S. Bureau of Reclamation, Engineer
Six Companies, Inc., Builder
Location
boulder city
,
35.97822, -114.83451
Source
Library of Congress
Link
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