Related Clues:

• Interest of Percival Lowell
• Erie, for one
• Lock site
• Site of some banks
• Panama crosser
• _____ ton, Manitoba
• Missouri, Arkansas or Ohio, e.g.
• See 21 Across
• Missouri, Arkansas or Connecticut, e.g.
• Ear piece?
• Venice waterway
• Rafter's place
• Lock locale
• Colorado or Arkansas
• See 73 Across