Estimate of known recoverable reserves of coking coal in Letcher County, Ky. / by Joseph J. Wallace, James J. Dowd, Raymond G. Travis, R.F. Abernethy, and D.A. Reynolds.
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| Other Authors: | , , , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1953.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
5016. |
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