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This spatial dataset of the Upper Freeport coal bed is one of many Geographic Information System (GIS) products of the National Coal Resource Assessment that is being conducted by the U.S. Geological Survey in cooperation with State geological surveys and other Federal and State agencies. The Upper Freeport coal bed is an important economic coal in the northern part of the Appalachian Basin and is of additional importance because it occurs stratigraphically at the boundary between the Middle Pennsylvanian Allegheny and Upper Pennsylvanian Conemaugh Groups throughout most of the Appalachian foreland basin in Ohio, Pennsylvania, West Virginia, and Maryland. The top of the Allegheny Group is defined as the top of the...
Categories: Web Site; Tags: 24001 = Allegany, 24023 = Garrett, 39009 = Athens, 39013 = Belmont, 39019 = Carroll, All tags...


    map background search result map search result map Areal extent of the Upper Freeport coal bed in Maryland, Ohio, Pennsylvania, and West Virginia Areal extent of the Upper Freeport coal bed in Maryland, Ohio, Pennsylvania, and West Virginia