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Preparation characteristics of coal from Butler County, Pa.
| Author: | Gray, T. E. |
|---|---|
| Additional Authors: | Palowitch, Eugene R. |
| Year: | 1960 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:5609 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 5609 |
| Subjects: | Coal preparation |
| Coal--Pennsylvania--Butler County | |
| Links: | no.5609 1960 |
| https://hdl.handle.net/2027/mdp.39015078528331 |
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