Economic geology of the Georgetown quadrangle (together with the Empire district) Colorado

Main Author: Spurr, Josiah Edward, 1870-1950,
Other Authors: Garrey, G. H. 1886-, Ball, Sydney H., Geological Survey (U.S.),
Format: eBook
Language: English
Published: Washington : Department of the Interior, United States Geological Survey, 1908.
Physical Description: 1 online resource (422 pages) : illustrations, maps.
Series: Professional paper (Geological Survey (U.S.)) ; no. 63.
Subjects:
Online Access: Google
HathiTrust Digital Library, Full view
http://purl.fdlp.gov/GPO/gpo78521
http://pubs.er.usgs.gov/publication/pp63
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