Salem Limestone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Mississippian
 .....Upper Mississippian
 ......Meramecian
 .......Salem Limestone
RTIowa
 Kentucky
 Missouri
 Illinois
 Indiana
SNIncludes Kidd, Fults, Chalfin, and Rocher members. S Illinois , S Indiana, SE Iowa, W and central Kentucky, and E Missouri. Also search Salem Formation.