Conemaugh Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Conemaugh Group
RTVirginia
 Ohio
 Pennsylvania
 Maryland
 West Virginia
 Ames Limestone
SNDivided into nine parts: Mahoning, Buffalo, Saltsburg, Grafron, Barton, Morgantown, Lonaconing, Connellsville, and one not yet named. Also includes Nadine Limestone, Woods Run Limestone, Carnahan Run Shale, and Brush Creek Limestone. W Maryland, E Ohio, P