Economic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado

Main Author: Bastin, Edson S. 1878-1953,
Other Authors: Hill, James M. 1884-, Geological Survey (U.S.),
Format: eBook
Language: English
Published: Washington : Department of the Interior, United States Geological Survey, 1917.
Physical Description: 1 online resource (379 pages) : illustrations, maps.
Series: Professional paper (Geological Survey (U.S.)) ; no. 94.
Subjects:
Online Access: HathiTrust Digital Library, Full view
http://purl.fdlp.gov/GPO/gpo78516
http://pubs.er.usgs.gov/publication/pp94
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