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BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Upper Pennsylvanian
 ......Missourian
 .......Kansas City Group
RTIowa
 Missouri
 Nebraska
 Kansas
 Wyandotte Limestone
SNSubdivided into Bronson, Linn, and Zarah subgroups. Includes Hertha, Ladore, Swope, Galesburg, Dennis, Fontana, Sarpy, Drum, Chanute, Iola, Lane, Wyandotte and Bonner Springs formations.