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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: | |
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Corporate Authors: | , |
Format: | Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of Interior, Geological Survey,
[1950]
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Series: | Trace elements memorandum report ;
114. |
Physical Description: |
5 leaves : 1 color map ; 29 cm. |
Subjects: |