Investigation of Lower Coal Beds in Georges Creek and North Part of Upper Potomac Basins, Allegany and Garrett Counties, md.
Subtitle: Reserves, Petrographic and Chemical Characteristics of Coals, and Stratigraphy of Area.
Contributors: Toenges, A.; Turnbull, L.; Williams, L.
Series: Technical paper (United States. Bureau of Mines) -- 725
Publisher: s.n
Published: 1949
Place of publication: S.l
Language: eng
Notes: Maps Included.

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