Basins

• Anadarko
• Arkoma
• Appalachian
• Big Horn
• Black Warrior
• DJ Basin
• Fort Worth
• Greater Green River
• Illinois
• Los Angeles
• Michigan
• Montana Thrust
• Paradox
• Permian Basin
• Piceance
• Powder River
• Raton
• San Juan
• Santa Maria
• Texas, Louisiana, Mississippi Salt
• Uinta
• Ventura
• Western Gulf
• Williston