Pennington Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Upper Mississippian
 ......Pennington Formation
RTVirginia
 Kentucky
 Alabama
 Georgia
 Tennessee
SNComprises Stony Gap Sandstone, Avis Limestone, Falls Mills Sandstone members. N Alabama, NW Georgia, E Kentucky, E Tennessee, and SW Virginia.