Strawn Group
Thrifty and Graham Formations, undivided
Travis Peak Formation
Harpersville Formation
Glen Rose Limestone
Antlers Sand
Winchell Limestone
Alluvium
Ranger Limestone and Placid Creek Shale, undivided
Cedarton Shale and Adams Branch Limestone, undivided
Twin Mountains Formation
Home Creek Limestone and Colony Creek Shale, undivided
Paluxy Sand
Pueblo Formation
Comanche Peak Limestone and Walnut Clay, undivided
Walnut Clay
Moran Formation
Quaternary deposit, undivided
Terrace deposits
Edwards Limestone
High gravel deposits
Undivided part Fredericksberg Group
Santa Anna Branch Shale and Sedwick and Moran Formations, undivided