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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
Report presenting the results of an investigation into various charactaristics that could increase the output lower, thinner coal beds, to replace the upper coal beds which are nearing exhaustion.
Date:
1949
Creator:
Toenges, Albert L.; Turnbull, Louis A.; Williams, Lloyd & Smith, H. L.
Object Type:
Report
System:
The UNT Digital Library
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)
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.
Object Type:
Map
System:
The UNT Digital Library