Sharon Conglomerate  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Sharon Conglomerate
RTOhio
 Pennsylvania
 Maryland
 West Virginia
 Pottsville Group
SNIn Pottsville Group. Maryland, E Ohio, W Pennsylvania, and N West Virginia.