Rock Lake Shale Member  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Carboniferous
 ....Pennsylvanian
 .....Upper Pennsylvanian
 ......Missourian
 .......Rock Lake Shale Member
RTMissouri
 Nebraska
 Kansas
 Stanton Formation
SNOf Stanton Limestone. E Kansas, NW Missouri, and SE Nebraska.