RIAS
| Date | Clue |
|---|---|
| 2023-08-19 | Narragansett Bay and New York Harbor, for two |
| 2020-10-31 | Narrow inlets |
| 2020-08-18 | Narrow estuaries |
| 2020-07-05 | Coastal inlets |
| 2018-12-21 | Shore indentations |
| 2017-06-18 | Inlets |
| 2017-03-06 | Inlets |
| 2016-12-29 | Narrow estuaries |
| 2014-11-13 | Narrow estuaries |
| 2014-07-21 | Narrow inlets |
| 2013-05-18 | Shore indentations |
| 2012-09-16 | Coastal indentations |
| 2012-02-22 | Estuaries |
| 2011-02-10 | Formations at the mouths of some streams |
| 2011-01-16 | Narrow inlets |
| 2010-06-26 | Cousins of fjords |
| 2009-05-08 | Coastal features |
| 2009-04-07 | Narrow inlets |
| 2008-08-21 | Narrow inlets |
| 2007-09-06 | Estuaries |
| 2007-05-20 | Narrow inlets |
| 2006-09-19 | Narrow inlets |
| 2006-08-02 | Narrow inlets |
| 2006-06-23 | Narrow inlets |
| 2006-03-12 | Shore indentations |
| 2004-08-10 | Inlets |
| 2004-03-11 | Inlets |
| 2003-05-04 | Inlets |
| 2002-05-16 | Narrow inlets |
| 2000-03-12 | Small estuaries |
| 1999-04-27 | Inlets |
| 1997-11-01 | Mooring sites |
| 1997-04-25 | Narrow inlets |
| 1996-12-25 | Creeks |
| 1996-06-29 | Inlets |