Ervine Creek Limestone  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Upper Pennsylvanian
 ......Virgilian
 .......Ervine Creek Limestone
RTIowa
 Missouri
 Nebraska
 Kansas
SNOf Deer Creek Limestone. SW Iowa, NE Kansas, NW Missouri and SE Nebraska.