Related Clues:

• Three-switch railroad track section
• River of England and Wales
• That flows after the Exe
• Sounds like the sort of letter that goes by river
• England-Wales border river
• Letter following ex
• Welsh river
• River joining the Severn at Chepstow
• End of eternity?
• Slingshot or divining rod
• Maryland oak
• Ex, ___, zee
• Questionable sound of a river?
• Zee lead-in
• Ex-zee go-between