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Plumbago Mine. Sierra County, California. 1924.

Dates

Date Taken
1924

Summary

Walls of vein due to post-mineral movement, Plumbago Mine, no. 4 level. The quartz is cut by the hanging wall but on the footwall side grades into stringers which are cut off by the footwall fault. Sierra County, California. 1924. Plate 15-B, in U.S.Geological Survey Professional paper 172. 1932.

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Identifiers

Type Scheme Key
name photoLibrary fhg00800
number photoLibrary 10054
batch photoLibrary btch283
number_in_book photoLibrary 800

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