Lissie Formation
(Quaternary; Middle Pleistocene) at surface, covers 17 % of this area Lissie Formation
Alluvium
(Holocene) at surface, covers 9 % of this area Alluvium
Deweyville Formation
(Quaternary; Pleistocene and Holocene?) at surface, covers 3 % of this area Deweyville Formation
Goliad Formation
(Miocene) at surface, covers 0.7 % of this area Goliad Formation
Fill and spoil
(Holocene) at surface, covers 0.4 % of this area Fill and spoil
Terrace deposits
(Pleistocene and Holocene) at surface, covers 0.3 % of this area Terrace deposits