Geologic units in Wayne county, Indiana

Whitewater Formation (Ordovician) at surface, covers 44 % of this area

Skeletal limestone and calcareous shale; dolomitic mudstone (S, Saluda Member) at base

Dillsboro Formation (Ordovician) at surface, covers 34 % of this area

Skeletal limestone and calcareous shale

Louisville Limestone through Brassfield Limestone (Silurian) at surface, covers 21 % of this area

Sexton Creek Limestone at base in Kentland area and on cross-section