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Preliminary appraisal of diamond-drill exploration in the Upper Group area, San Miguel County, Colorado
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| Main Author: | |
|---|---|
| Corporate Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Interior, Geological Survey,
[1950]
|
| Series: | Trace elements memorandum report ;
114. |
| Physical Description: |
5 leaves : 1 color map ; 29 cm. |
| Subjects: |