Walnut Clay
Paluxy Sand and Glen Rose Limestone, undivided
Undivided part Fredericksberg Group
Lower part of Washita Group
Undivided parts of Washita and Fredericksberg Groups
Glen Rose Limestone
Alluvium
Grayson Marl and Main Street Limestone, undivided
Terrace deposits
Pawpaw Formation and upper limestone unit of Weno Formation, undivided