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Spatial Coverage
- South Dakota[remove]205
- North Dakota28
- South Dakota.24
- Wyoming16
- Nebraska12
- États-Unis11
- Minnesota11
- Dakota du sud9
- Pennington County9
- Black Hills (S.D. and Wyo.)5
- Badlands National Park (S.D.)4
- Custer County4
- Dakota Territory4
- Tripp County4
- Tripp County (S.D.)4
- Badlands National Park.3
- Butte County3
- Cedar River National Grassland (N.D.)3
- Crook County3
- Grand River National Grassland (S.D.)3
