Related Clues:

• Falls, river, city or state
• New addition of 1803
• Michigan neighbor
• Part of B.&O.
• Home of Lima beings
• See 12-Across
• Waterloo setting
• 'The Music Man setting'
• Birthplace of seven U.S. presidents
• Waterloo is there
• Youngstown's state
• 29th of 50
• 'The Music Man' locale
• Kent State state
• Skunk River locale