• Lithotectonic Basement Elements (GIS data, line features)
  • Sweetgrass Arch and Williston Basin Tectonic Elements (GIS data, polygon features)
  • Sweetgrass Arch and Williston Basin Tectonic Elements (GIS data, line features)
  • Triassic Spearfish Lower Watrous and Lower Amaranth Isopach (GIS data, line features)
  • Williston Basin Phanerozoic Isopach and Structural Elements (GIS data, polygon features)