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Radiolarian chert of San Francisco Group exposed in quarry. Golden Gate Park, San Francisco, California. 1913.

Dates

Date Taken
1913

Summary

Minutely folded thin-bedded radiolarian chert of San Francisco Group exposed in quarry in Golden Gate Park. San Francisco County, California. 1913. Plate 8 in U.S. Geological Survey. Folio 193. 1914.

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Data Owner :
U.S. Geological Survey

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sgw00760.jpg thumbnail 16.69 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 sgw00760
number photoLibrary 33270
batch photoLibrary btch357
number_in_book photoLibrary 760

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