Blaine Formation
Whitehorse Group, undivided
Sand sheet deposits
San Angelo Formation
Clear Fork Group
Alluvium
Terrace deposits
Lingos Formation
Quaternary deposit, undivided
Quartermaster Formation; North and central Texas including panhandle.
Dockum Group
Dune sand sheet deposits
Comanche Peak Limestone, Walnut Clay, and Antlers Sand, undivided; North, central, and south Texas including Quaternary for all of west Texas.