Hoover Dam, Los Angeles Bureau of Power & Light Lines 1-3, U.S. Highway 93, Boulder City, Clark County, NV

Significance: The transmission lines included pioneering technology in high-voltage transmission. The lines were crucial elements of the Hoover Dam electrical complex, particularly in the role played by Hoover Dam power in WWII industries and post-war development in southern California. At the time of construction, these lines transmitted electricity at a higher voltage than any other long-distance transmission line in the world.

Survey number: HAER NV-27-M

Building/structure dates: after. 1932- before. 1940 Initial Construction

National Register of Historic Places NRIS Number: 81000382

transmission towers war world war ii power industry hydroelectric power plants electric lines boulder city hoover dam hoover dam bureau los angeles bureau power lines light lines highway boulder clark county los angeles nevada california energy generation historic american engineering record los angeles bureau of power and light ultra high resolution high resolution power plants power lines electric power library of congress national register of historic places

1969 - 1980

Library of Congress

http://www.loc.gov/

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