Slade and paragon formations : new stratigraphic nomenclature for Mississippian rocks along the Cumberland Escarpment in Kentucky / by Frank R. Ettensohn [and three others] ; prepared in cooperation with the Kentucky Geological Survey.
Publication Info.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1984.
[Washington, D.C.] : United States Government Printing Office