Related Clues:

• Concert ticket info
• Cross the Potomac, perhaps
• One of 15 in this grid
• Noisy argument
• Sudoku solver's concern
• Sudoku component
• Seeds might be planted in it
• Airplane ticket assignment
• Column counterpart
• Word on some tickets
• Part of an airplane seat assignment
• Theater ticket info
• Wear on, as nerves
• Skid ___
• Unravel at the edges