http://www.aaanativearts.com/Native_American_map.jpg
Looks like the "big groups" (if I'm reading it right) west of the Mississippi are:
Sioux, Pawnee, Apache, Blackfoot, Crow, Cheyenne, Shoshone, Ute, Navajo, Apache, Paiute
Looks like the "big groups" (if I'm reading it right) west of the Mississippi are:
Sioux, Pawnee, Apache, Blackfoot, Crow, Cheyenne, Shoshone, Ute, Navajo, Apache, Paiute