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BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Middle Pennsylvanian
 ......Desmoinesian
 .......Marmaton Group
RTIowa
 Missouri
 Oklahoma
 Kansas
 Labette Shale
 Wewoka Formation
SNIncludes (ascending) Fort Scott, Labette, Pawnee, Bandera, Altamont, Nowata, and Lenapan formations. Also includes Wewoka Formation. SW Iowa, E Kansas, W Missouri, and NE Oklahoma.