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Strippable coal resources of Colorado :location, tonnage, and characteristics of coal and overburden
| Author: | Speltz, Charles N. |
|---|---|
| Year: | 1976 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines : |
| SUDOC: | I 28.27:8713 |
| Series: | Information circular - Bureau of Mines ; |
| Report Number: | 8713 |
| Subject: | Strip mining--Colorado |
| Link: | https://hdl.handle.net/2027/mdp.39015078462143 |
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