Geology of the western part of the Harold D. Roberts Tunnel, Colorado (Stations 0+00 to 690+00) /

Bibliographic Details
Main Author:	Wahlstrom, Ernest E. (Ernest Eugene), 1909-2000
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Robinson, Charles Sherwood, 1920-, Hornback, V. Quentin
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1981.
Series:	Geological Survey professional paper ; 831-C. Engineering geology of the Harold D. Roberts Tunnel, Colorado.
Subjects:	Geology > Colorado > Harold D. Roberts Tunnel. Engineering geology > Colorado > Harold D. Roberts Tunnel. Harold D. Roberts Tunnel (Colo.)

Evans: US Documents (Annex 5th floor)