Tungsten potential in the San Juan area, Ouray, San Juan, and San Miguel Counties, Colo. / by Carl Belser.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
1956.
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| Series: | Information circular (United States. Bureau of Mines) ;
7731. |
| Subjects: |