Related Clues:
- Silted estuary
- 'Keep Climbing' sloganeer
- Dirty mouth?
- Fourth letter of two alphabets
- Triangular river system
- Atlanta is its largest hub
- Greek character dealt deviously
- Silty spot
- Yazoo region
- Managed to return thank-you letter
- Triangle in the Greek alphabet
- __ deck
- Upper part of the mouth
- Shelter topper
- Led back old volunteers in river mouth