Search the Wisconsin Historical Society's collections

Searching for

Refine by

Results 1-1 of 1

Photograph

Three-Deck Drilling Platform at Hoover Dam

Date: 1932
Description: Front view of a three-deck drilling platform mounted on an International truck. The device was used in the interior of the tunnels during construction of t...

Have Questions?

If you didn't find the material you searched for, our Library Reference Staff can help.

Call our reference desk at 608-264-6535 or email us at: