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Borden Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Borden Group
RTKentucky
 Indiana
SNIn Kentucky, comprises New Providence Formation, Brodhead Formation, Floyds Knob Formation, and Muldraugh Formation. In S Indiana, comprises New Providence Shale, Locust Point, Carwood, Floyds Knob, and Edwardsville formations. S Indiana and E central Ken