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Chouteau Limestone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Lower Mississippian
 ......Chouteau Limestone
RTMissouri
 Illinois
 Kansas
 Kinderhookian
SNKinderhookian or Lower Mississippian. Central and E Missouri, SW Illinois, and Kansas. Underlies Burlington Limestone in Missouri, Sedalia Formation in Illinois; overlies Hannibal Formation in Missouri and Illinois. Indexed with ages as applicable. Added