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Geologic units in Webster county, Georgia

Eocene and Oligocene Residuum, undifferentiated (Eocene-Oligocene) at surface, covers 31 % of this area

Eocene and Oligocene Residuum, undifferentiated

Providence Sand (Cretaceous) at surface, covers 18 % of this area

Providence Sand, includes Perote Member

Tuscahoma Sand (Paleocene) at surface, covers 18 % of this area

As mapped includes lower Eocene Bashi Marl Member of the Hatchetigbee Formation

Nanafalia, Porters Creek, and Clayton Formations, undifferentiated (Paleocene) at surface, covers 15 % of this area

Nanafalia, Porters Creek, and Clayton Formations, undifferentiated

Claiborne undifferentiated (Eocene) at surface, covers 10 % of this area

Up-dip equivalent of Lisbon and Tallahatta Formations

Ripley Formation (Cretaceous) at surface, covers 7 % of this area

Ripley Formation

Clayton Formation (Paleocene) at surface, covers 0.3 % of this area

Clayton Formation