Related Clues:

• John Wayne's home state
• Sioux City's state
• Davenport locale
• Midwestern state
• Mason City is there
• River City's state
• 'Music Man' venue
• Midwest state
• Waterloo's here
• A soybean state
• Buffalo Bill's birthplace
• Davenport's setting
• State admitted after Texas
• For Minnesotans, it's south of the border
• Big source of corn