Key: Continental Deposits
- Tertiary
- Tpc Pliocene
- Tmc Miocene
- Toc Oligocene
- Tec Eocene
- Tel Eocene lacustrian deposits
- Txc Paleocene
- Mesozoic
- Kc Cretaceous
- Jc Jurassic
- Pennsylvanian
- P2ac Early Leonardian
- P1c Wolfcampian Series
- uPzc Upper Paleozoic
- Devonian
- D3c Upper Devonian
- D2c Middle Devonian