The gold quartz veins of Grass valley, California

Main Author: Johnston, W. D. 1899-
Other Authors: Geological Survey (U.S.),
Format: eBook
Language: English
Published: Washington : United States Department of the Interior, Geological Survey, 1940.
United States Government Printing Office.
Physical Description: 1 online resource (vi, 101 pages) : illustrations, maps.
Series: Professional paper (Geological Survey (U.S.)) ; no. 194.
Subjects:
Online Access: http://purl.fdlp.gov/GPO/gpo80198
http://pubs.er.usgs.gov/publication/pp194
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