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Polished slab showing broken pyrite in vein quartz, North Star mine, No. 1. Nevada County, California. 1931.

Dates

Date Taken
1931

Summary

Photographs of ore: Polished slab showing broken pyrite in vein quartz, North Star mine, No. 1 vein, 8,200-foot level. Nevada County, California. 1931. Plate 11-A, U.S.Geological Survey Professional paper 194. 1940.

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jwdj0089.jpg thumbnail 5.18 MB image/jpeg

Rights

This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page: http://www.usgs.gov/laws/info_policies.html

Additional Information

Identifiers

Type Scheme Key
name photoLibrary jwdj0089
number photoLibrary 19997
batch photoLibrary btch294
number_in_book photoLibrary 89

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