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Plattsburg Limestone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Upper Pennsylvanian
 ......Missourian
 .......Plattsburg Limestone
RTIowa
 Missouri
 Nebraska
 Kansas
 Lansing Group
SNIn Lansing Group. Includes Merriam Limestone, Hickory Creek Shale and Spring Hill Limestone members. SW Iowa, E Kansas, NW Missouri, and SE Nebraska.