Geologic units in Berrien county, Michigan

Additional scientific data in this geographic area

Ellsworth Shale (Late Devonian) at surface, covers 69 % of this area

Ellsworth Shale

Coldwater Shale (Mississippian) at surface, covers 18 % of this area

Coldwater Shale

Antrim Shale (Late Devonian) at surface, covers 13 % of this area

Antrim Shale