Narrower Terms (23)

• Arroyo Formation (Tex.)
• Blackwater Draw Formation (Tex. and N.M.)
• Brushy Canyon Formation (N.M. and Tex.)
• Capitan Formation (N.M. and Tex.)
• Dockum Formation
• Fort Hancock Formation (Tex. and N.M.)
• Frio Clay (Tex. and La.)
• Grayburg Formation (N.M. and Tex.)
• Olmos Formation (Tex.)
• Queen Formation (N.M. and Tex.)
• Reklaw Formation (La. and Tex.)
• Rustler Formation (N.M. and Tex.)
• Salmon Peak Formation (Tex.)
• San Andres Formation (N.M. and Tex.)
• San Miguel Formation (Tex.)
• Santa Rosa Formation (N.M. and Tex.)
• Spraberry Formation (Tex.)
• Thirtyone Formation (Tex.)
• Travis Peak Formation (Tex.)
• Wolfcamp Formation (Tex. and N.M.)
• Woodford Shale (Okla. and Texas)
• Yegua Formation
• Yeso Formation (N.M. and Tex.)