Arapaho Tribe of the Wind River Reservation

The Northern Arapaho Tribe of the Wind River Reservation is one of four groups of Arapaho who originally occupied the headwaters of the Arkansas and Platte Rivers in what is now northeastern Colorado.

The Northern Arapaho Tribe of the Wind River Reservation is one of four groups of Arapaho who originally occupied the headwaters of the Arkansas and Platte Rivers in what is now northeastern Colorado.

The Fort Peck Reservation is home to two separate American Indian nations, each including numerous bands and divisions. The Sioux divisions of Sisseton, Wahpetons, Yanktonais, and the Teton Hunkpapa are all represented.

The Blackfeet and Blackfoot tribes are really the same tribe. There are three divisions of the Blackfoot Nation. When the US - Canadian border was drawn, those on the Canadian side of the boundary continued to be called by their traditional branch names.
The Crow Tribe of Montana is a federally recognized indian tribe which split off from the Hidatsa tribe in the 1400s. The Battle of the Little Big Horn occurred near where the agency headquarters is located today, about 100 miles from the present day city of Billings, Montana.

This federally recognized tribe is made up of members from two tribes: the Assiniboine and the Gros Ventre.

The Fort Sill Apache Tribe of Oklahoma is made up of the descendants of the Chiricahua and Warm Springs Apache people that lived in Southern New Mexico until 1886, when they were forcibly removed and held by the U.S. Government as prisoners in Florida for 28 years. The Chiricahua were the last American Indian group to be relocated to Indian Territory.