Coal near the Black hills, Wyoming--South Dakota / by R. W. Stone.
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| Online Access: |
Online Access |
|---|---|
| Main Author: | |
| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington, D.C. :
Department of the Interior, United States Geological Survey,
1912.
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| Series: | Bulletin (Geological Survey (U.S.)) ;
no. 499. |
| Subjects: |