1. Structural evolution of the Pulaski thrust system;Bartholomew;Geol. Soc. Am. Bull.,1987
2. U.S. Geological Survey Coal Quality (COALQUAL) database: Version 2.0;Bragg,1998
3. Coal as a recorder of incipient rock metamorphism;Campbell;Econ. Geol.,1930
4. Stratigraphic and structural framework of the Carboniferous rocks of the Central Appalachian Basin in Kentucky;Chesnut,1992
5. Regional coalfication patterns for the coals of eastern Kentucky, Virginia, West Virginia, Ohio, Maryland, and southern Pennsylvania;Cole,1979