• Pre-Devonian Paleotopographic Features (GIS data, polygon features)
• Distribution of Lower Devonian Strata (GIS data, line features)
• Distribution of Lower Devonian Strata (GIS data, polygon features)
• Devonian Woodbend/Duperow (DM4) Paleogeography (GIS data, line features)
• Distribution of Lower Middle Devonian Sub-Headless Strata (GIS data, line features)