Related Clues:
- Potomac, for one
- Ohio or Arkansas, e.g.
- Iowa or Ohio
- The Po, for one
- Southern Manitoba waterway
- Tennessee or Ohio, e.g.
- Green or Yellow
- Missouri, Arkansas or Connecticut?
- Moisturizer brand
- Part of the Texas/Oklahoma border
- Whitewater rafting site
- 35-Across, for one
- It has banks and flows
- It has banks and a mouth
- Steamboat site