Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana, Tribal Entity

**Semantic type:** Population Group

**Definition:** A federally recognized tribe or tribal organization of the Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana.

**Synonyms:** - Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana - Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana