New River Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Lower Pennsylvanian
 ......New River Formation
RTVirginia
 Pennsylvania
 Alabama
 West Virginia
 Georgia
 Pottsville Group
SNIn Pottsville Group. Added to Thesaurus in 1989.