Geology of the western part of the Harold D. Roberts Tunnel, Colorado (Stations 0+00 to 690+00)
By: by Ernest E. Wahlstrom, Charles S. Robinson, and V. Quentin Hornback.
Contributors: Robinson, Charles Sherwood, 1920- joint author.; Hornback, V. Quentin, joint author.
Series: Engineering geology of the Harold D. Roberts Tunnel, Colorado; Geological Survey professional paper ; 831-C; Geological Survey professional paper ;; 831-C.
Publisher: U.S. Govt. Print. Off.
Published: 1981
Place of publication: Washington
Language: eng
Number of pages: 58
Subjects: Geology -- Colorado -- Harold D. Roberts Tunnel.; Engineering geology -- Colorado -- Harold D. Roberts Tunnel.
Notes: Bibliography: p. 58.
Accompanied by 12 fold. leaves of plates issued in a portfolio.