Related Clues:

• Midwest native
• Nebraska City is its county seat
• Depression-era figure
• ''___ from Muskogee''
• Certain Siouan speaker
• Iowa native
• Panhandle migrant
• 'Grapes of Wrath' persona
• Tom Joad, for example
• Sioux speakers
• Oklahoma tribesman
• Oklahoma people
• Pawnee ally
• Sioux branch
• Tribe related to the Missouria