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Investigation of Lower Coal Beds in Georges Creek and North Part of Upper Potomac Basins, Allegany and Garrett Counties, Maryland: Reserves, Petrographic and Chemical Characteristics of Coals, and Stratigraphy of Area (Maps)
| Author: | Toenges, Albert L. |
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| Year: | 1949 |
| Document Type: | N/A |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Technical Paper 725 (Maps) |
| Subjects: | Coal mines and mining -- Maryland -- Allegany County. |
| Coal mines and mining -- Maryland -- Garrett County. | |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc100836/ |
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