Related Clues:

• Tribe that split from the Winnebago
• Tribe visited by Lewis and Clark
• Siouan is his tongue
• A tributary of the Missouri
• Palindromic tribe name
• Tribe related to the Iowa
• Some Oklahoma natives
• Pawnee neighbor
• Siouan-speaking tribe
• Prefix for 62-Down
• Ear opener?
• Chief Whitehorse, e.g.
• __ orange: inedible fruit
• Natives of Noble County, Okla.
• Ear prefix