Geologic units in Wayne county, Indiana

Dillsboro Formation (Ordovician) at surface, covers 35 % of this area: Dillsboro Formation - Skeletal limestone and calcareous shale
Lithology: limestone; shale
Louisville Limestone through Brassfield Limestone (Silurian) at surface, covers 21 % of this area: Louisville Limestone through Brassfield Limestone - Sexton Creek Limestone at base in Kentland area and on cross-section
Lithology: limestone
Whitewater Formation (Ordovician) at surface, covers 44 % of this area: Whitewater Formation - Skeletal limestone and calcareous shale; dolomitic mudstone (S, Saluda Member) at base
Lithology: limestone; shale; mudstone