• Middle Devonian Petroleum System (GIS data, line features)
• Distribution of Lower Middle Devonian Sub-Headless Strata (GIS data, line features)
• Distribution of Lower Middle Devonian Sub-Headless Strata (GIS data, polygon features)
• Devonian Petroleum System (GIS data, polygon features)
• Devonian-Mississippian Petroleum System (GIS data, line features)