Region
South Dakota
North Dakota
2
Pine Ridge Indian Reservation
2
Standing Rock Indian Reservation (N.D. and S.D.)
2
Crow Creek Indian Reservation (S.D.)
1
Dakota Territory
1
Lake Traverse Indian Reservation
1
Lake Traverse Indian Reservation (N.D. and S.D.)
1
Nebraska
1
Rosebud Indian Reservation
1
Rosebud Indian Reservation (S.D.)
1
Santee Indian Reservation
1
Santee Indian Reservation (Neb.)
1
United States
1
Winnebago Indian Reservation (S.D.)
1
Yankton Indian Reservation
1
Yankton Indian Reservation (S.D.)
1