Southwest
Grand River National Grassland: Protected Landscape and Regional Geography in South Dakota
Mapped prairie, riparian corridors, and badland terrain.
Grand River National Grassland represents a complex protected landscape in South Dakota. Managed by the U.S. Forest Service, this area features diverse landforms including sand dunes, claypan playas, and green ash draws. This record provides a structured geographic overview of the grassland mosaic, spanning Perkins, Corson, and Ziebach counties with significant cultural ties to local tribal lands.
- Area
- 626.38 km²
- Established
- 1960
- Relief
- Lowland
- Climate
- Temperate


