ECU Libraries Catalog
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Region
- South Dakota[remove]324
- North Dakota41
- United States25
- Montana13
- Badlands National Park (S.D.)11
- Badlands National Park10
- Minnesota10
- Black Hills (S.D. and Wyo.)9
- Nebraska9
- Rapid City9
- Madison Aquifer8
- Colorado7
- Minnehaha County7
- Mount Rushmore National Memorial (S.D.)6
- Wyoming6
- Minuteman Missile National Historic Site (S.D.)5
- Texas5
- Wind Cave National Park (S.D.)5
- Big Sioux Aquifer (S.D.)4
- Custer County4