Region
Mississippi
2
North Dakota
2
South Dakota
2
Arizona
1
Hopi Indian Reservation
1
Hopi Indian Reservation (Ariz.)
1
Navajo Indian Reservation
1
Oklahoma
1
Pine Ridge Indian Reservation
1
Southwest, New
1
Standing Rock Indian Reservation (N.D. and S.D.)
1
Turtle Mountain Indian Reservation (N.D.)
1
Wichita Reservation (Okla.)
1