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Estimate of Known Recoverable Reserves of Coking Coal in Armstrong County, Pennsylvania.
| Author: | Dowd, James J. |
|---|---|
| Additional Authors: | Abernethy, R. F., Toenges, Albert L., Turnbull, Louis A. |
| Year: | 1951 |
| Document Type: | N/A |
| SUDOC: | I 28.23:4801 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 4801 |
| Subjects: | Coal properties -- Pennsylvania -- Armstrong County. |
| Coal -- Pennsylvania -- Armstrong County. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38562/ |
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