• Rock Creek/Lower Gravelbourg/Reston-Upper Watrous/Upper Amaranth Isopach and Lithofacies (GIS data, line features)
• Triassic Spearfish Lower Watrous and Lower Amaranth Isopach (GIS data, line features)
• Upper Cambrian and Lower Ordovician Isopach and Lithofacies (GIS data, polygon features)
• Upper Cambrian and Lower Ordovician Isopach and Lithofacies (GIS data, line features)
• Upper Mannville Isopach and Lithofacies (GIS data, polygon features)