Open Schedules for Gold and Silver Ores and Concentrates at Western Custom Smelters

Author: Gardner, E. D.
Year: 1936
Document Type: N/A
SUDOC: I 28.27:6926
Series: Information circular (United States. Bureau of Mines)
Report Number: I. C. 6926
Subjects: Silver mines and mining.
Gold mines and mining.
Link: http://digital.library.unt.edu/ark:/67531/metadc67013/

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