| Answer | Crossword Clue |
|---|---|
| DELTA | Land formed at mouth of a river. |
| DELTA | Land at a river's mouth |
| LIMAN | Bay at the mouth of a river |
| DELTA | Buildup at the mouth of a river |
| SILT | Deposit at the mouth of a river |
| DELTA | Triangle at a river mouth |
| PLATTE | River facetiously described as "a mile wide at the mouth, but only six inches deep" |
