• Index map showing the present distribution of Middle Cambrian to Lower Ordovician …
• Cambrian-Lower Ordovician Structure (GIS data, line features)
• Cambrian and Lower Ordovician Isopach (GIS data, line features)
• Middle Cambrian Isopach and Lithofacies (GIS data, polygon features)
• Distribution of Lower Middle Devonian Sub-Headless Strata (GIS data, line features)