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Warren A. Bechtel Album of Hoover Dam: photographic print

Image

File
Download pho027842-008.tif (image/tiff; 57.75 MB)

Information

Date

1971-05-04

Description

Drilling jumbos (aka Williams Jumbo) mounted on the back of a truck for starting construction of lower portal No. 4, Arizona side of Black Canyon. 9-26-31. (This first wood-frame jumbo was experimental - the jumbos later were steel pipe)

Digital ID

pho027842-008

Physical Identifier

0267_0007
    Details

    Publisher

    University of Nevada, Las Vegas. Libraries