Operations and costs at the St. Joe Mining & Milling Co., Boulder, Colo.

Author: Guiteras, Joseph R.
Year: 1937
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I28.27:6976
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 6976
Subject: Gold mines and mining--Colorado--Boulder County
Link: https://hdl.handle.net/2027/mdp.39015077569922

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