Geology of the eastern part of the Harold D. Roberts Tunnel, Colorado (Stations 690+00 to 1238+58)
By: by Lawrence A. Warner and Charles S. Robinson.
Contributors: Robinson, Charles Sherwood, 1920-  joint author.
Series: Engineering geology of the Harold D. Roberts Tunnel, Colorado; Geological Survey professional paper ; 831-D; Geological Survey professional paper ;; 831-D.
Publisher: U.S. Govt. Print. Off.
Published: 1981
Place of publication: Washington
Language: eng
Number of pages: 31
Subjects: Engineering geology -- Colorado -- Harold D. Roberts Tunnel.; Geology -- Colorado -- Harold D. Roberts Tunnel.
Notes: Bibliography: p. 31.