Geologic units in Crawford county, Kansas

Marmaton Group (Early Pennsylvanian- Desmoinesian) at surface, covers 55 % of this area

Includes: Lost Branch FM, Memorial Shale, Lenapah Limestone (base LE), Nowata Shale, Altamont Limestone (base PA), Bandera Shale, Pawnee Limestone (base PA), Labette Shale and Fort Scott Limestone.

Cherokee Group (Early Pennsylvanian- Desmoinesian) at surface, covers 35 % of this area

Includes: Cabaniss FM (base CA) with Verdigris Limestone Member (base V) and Mineral coal bed (base MC), Krebs FM with Bluejacket Sandstone Member (base BJ) and Warner Sandstone Member (base WR).

Alluvium (Holocene to Pleistocene) at surface, covers 6 % of this area

unconsolidated sand, silt, clay, and gravel

Pleasanton Group (Middle Pennsylvanian- Missourian) at surface, covers 3 % of this area

Includes: Shale Hill FM (base SH), and Hepler FM. Chiefly gray to very dark gray or yellowish gray shale with sandstone members and some limestone and coal.

Kansas City Group (Middle Pennsylvanian- Missourian) at surface, covers 0.2 % of this area

Includes: Lane Shale,Wyandotte Limestone (base WY), Liberty Memorial Shale, Iola Limestone (base I), Chanute Shale (base CH), Dewey Limestone, Nellie Bly FM, Cherryvale FM, Dennis Limestone (base DN), Galeburg Shale, Mound Valley Limestone, Ladore Shale, Swope Limestone (base SW), Elm Branch Shale, Hertha Limestone.

Cherokee Group - Cabaniss Subgroup, Krebs Subgroup (Middle Pennsylvanian-Middle Series-Desmonian Stage) at surface, covers < 0.1 % of this area

Cabaniss Subgroup - cyclic deposits, shale, sandstone, clay and several workable coal beds. Krebs Subgroup - cyclic deposits, sandstone, siltstone, shale, clay and some workable coal beds.

Riverton Formation, Burgner Formation (Middle Pennsylvanian-Atokan Stage) at surface, covers < 0.1 % of this area

Shale, clay, coal. Burgner Formation - limestone.