Cover image for History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado
History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado
Title:
History of geologic investigations, engineering design, and construction methods of the Harold D. Roberts Tunnel, Colorado
Author:
Wahlstrom, Ernest Eugene, 1909-
Publication Information:
Washington : U.S. Govt. Print. Off., 1974.
Physical Description:
iii, 13 pages : illustrations ; 29 cm.
General Note:
Part of illustrative matter in pocket.
Language:
English
Added Title:
History of geologic investigations, engineering design, and construction methods ...
Format :
Book