Tungsten potential in the San Juan area, Ouray, San Juan, and San Miguel Counties, Colo.

Author: Belser, Carl.
Year: 1956
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7731
Series: Information circular / United States. Bureau of Mines ;
Report Number: 7731
Subjects: Mines and mineral resources--Colorado
Tungsten
Link: https://hdl.handle.net/2027/mdp.39015078459404

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