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  3. Polished slab of granodiorite showing sheeted zone of carbonate veinlets, North Star mine, No. 1. Nevada County, California. 1931.

Polished slab of granodiorite showing sheeted zone of carbonate veinlets, North Star mine, No. 1. Nevada County, California. 1931.

Dates

Date Taken
1931

Summary

Polished slab of granodiorite showing sheeted zone of carbonate veinlets, North Star mine, No. 1 vein, 7,200-foot level: Underground photograph of sheeted veins. Nevada County, California. 1931. Plate 10-A, U.S.Geological Survey Professional paper 194. 1940.

Contacts

Data Owner :
U.S. Geological Survey
Photographer :
Johnston, William Drumm Jr.

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jwdj0092.jpg thumbnail 3.62 MB image/jpeg

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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
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Identifiers

Type Scheme Key
name photoLibrary jwdj0092
number photoLibrary 19999
batch photoLibrary btch294
number_in_book photoLibrary 92

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