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Geologic units in Morris county, Texas

Queen City Sand (Eocene) at surface, covers 39 % of this area

Queen City Sand

Wilcox Group, undivided (Paleocene to Eocene) at surface, covers 17 % of this area

Wilcox Group, undivided

Alluvium (Holocene) at surface, covers 14 % of this area

Alluvium

Reklaw Formation (Eocene) at surface, covers 13 % of this area

Reklaw Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 8 % of this area

Terrace deposits

Weches Formation (Eocene) at surface, covers 5 % of this area

Weches Formation

Sparta Sand (Eocene) at surface, covers 3 % of this area

Sparta Sand

Carizzo Sand (Eocene) at surface, covers 0.2 % of this area

Carizzo Sand