Preliminary geology of the San Luis Peak quadrangle and adjacent areas, San Juan volcanic field, southwestern Colorado /
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| Format: | Government Document Microform Book |
| Language: | English |
| Published: |
Denver, Colo. :
Dept. of the Interior, U.S. Geological Survey :
[1988?]
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| Series: | U.S. Geological Survey open-file report ;
88-359. |
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