• Battle to Bearpaw Isopach (GIS data, polygon features)
• KB to Battle Isopach (Alberta) / KB to Bearpaw Isopach (Saskatchewan) (GIS …
• Colorado Isopach (GIS data, polygon features)
• Ordovician-Silurian Subcrop/Outcrop Williston Basin (GIS data, polygon features)
• Middle Cambrian Isopach and Lithofacies (GIS data, line features)