Related Clues:
- Plains natives
- Oklahoma tribesmen
- Oklahoma tribesman
- Sioux language
- Territory divided into two states in 1889
- Platte River Siouans
- Oklahoma people
- Pawnee ally
- Largest Siouan tribe
- Sioux branch
- US territory from 1861-89
- Onetime Pawnee neighbors
- Tribe related to the Missouria
- Iowa kin
- Onetime members of the Winnebago Nation