• Milk River/Chungo/Chinook Paleogeography (GIS data, line features)
• Schematic Upper Belly River (Foremost) Paleogeography (GIS data, line features)
• Schematic Lower Belly River (Foremost) Paleogeography (GIS data, polygon features)
• Schematic Upper Belly River (Foremost) Paleogeography (GIS data, polygon features)
• Schematic Lower Belly River (Foremost) Paleogeography (GIS data, line features)