• Devonian-Mississippian Petroleum System (GIS data, line features)
• Devonian-Mississippian Petroleum System (GIS data, polygon features)
• Devonian-Mississippian Petroleum System (GIS data, line features)
• Devonian-Mississippian Petroleum System (GIS data, polygon overlay features)
• Devonian Petroleum System (GIS data, polygon features)