Region
North Dakota
4
United States
3
Oklahoma
2
South Dakota
2
Standing Rock Indian Reservation (N.D. and S.D.)
2
Turtle Mountain Indian Reservation (N.D.)
2
Indian Territory
1
Navajo Indian Reservation
1
Rolette County
1
Rolette County (N.D.)
1
Southwest, New
1
Turtle Mountain Indian Reservation
1
Wichita Reservation (Okla.)
1