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)
Description:
Series of eleven maps to illustrate coal mines in Maryland, to accompany a report about thinning in the coal beds.
Date:
1949
Creator:
Toenges, Albert L.
Partner:
UNT Libraries Government Documents Department