Related Clues:
- Tribe speaking Chiwere
- Missouri relatives
- Tribe related to the Missouri
- Cousin of a Missouri
- An Amerind
- 1860s-'80s territory on the Canadian border
- Tribe met by Lewis and Clark
- Territory that became two states
- Dakota Native American
- American Indians
- First Indian tribe met by Lewis and Clark
- Kin of the Winnebago
- Plains folk
- Certain Native American
- First tribe encountered by Lewis and Clark