ESTUARY
| Date | Clue |
|---|---|
| 2025-03-27 | Long Island Sound, e.g. |
| 2024-04-03 | Chesapeake Bay is one |
| 2018-10-03 | Where a river meets the sea |
| 2011-11-17 | Chesapeake Bay, e.g. |
| 2011-02-07 | Wide part of a river where it meets the sea |
| 2007-02-11 | Río de la Plata, e.g. |
| 2005-01-03 | Ocean inlet |
| 2003-10-24 | Little sound |
| 2001-08-20 | Inlet |
| 2001-05-18 | Río de la Plata, e.g. |
| 2000-11-04 | Little sound |
| 2000-03-17 | Where a river meets the sea |
| 1998-06-10 | River's end |