The construction of Hoover dam.
Subtitle: Preliminary investigations, design of dam, and progress of construction
By: by Ray Lyman Wilber, secretary of the interior and Elwood Mead, commissioner of reclamation.
Contributors: Wilbur, Ray Lyman, 1875-1949.; Mead, Elwood, 1858-1936.
Publisher: U.S. Govt. print. off.
Published: 1933
Place of publication: Washington
Language: eng
Number of pages: 94
Subjects: Hoover Dam (Ariz. and Nev.)
Notes: At head of title: United State Department of the Interior.

Part of the plates, maps and diagrams are folded.