Summary of the engineering geology of the Harold D. Roberts Tunnel, Colorado
By: by Ernest E. Wahlstrom
Contributors: Geological Survey (U.S.)
Series: Engineering geology of the Harold D. Roberts Tunnel, Colorado; Geological Survey professional paper -- 831-E
Publisher: For sale by U.S. Dept. of the Interior, Geological Survey
Published: 1981
Place of publication: [Reston, Va.?]; [Washington, D.C., the Supt. of Docs., U.S. G.P.O.]
Language: eng
Number of pages: 15
Subjects: Harold D. Roberts Tunnel (Colo.); Engineering geology -- Colorado -- Summit County; Engineering geology -- Colorado -- Park County
Notes: 2 folded sheets of ill. in pocket

Bibliography: p. 15