Charles Sherwood Robinson
Author
Series
Geological Survey professional paper volume 404
Publisher
United States Department of the Interior, Geological Survey
Pub. Date
1964.
Language
English
Formats
2) Geology of the eastern part of the Harold D. Roberts Tunnel, Colorado (Stations 690+00 to 1238+58)
Author
Series
Pub. Date
1981
Language
English
Formats
Author
Series
Geological Survey professional paper volume 289
Publisher
United States Department of the Interior, Geological Survey
Pub. Date
1957.
Language
English
Formats