DAMUP
| Date | Clue |
|---|---|
| 2026-03-22 | Block, beaver-style |
| 2025-10-12 | Plug, as water |
| 2022-06-29 | Block, as a stream |
| 2021-07-23 | Plug, say |
| 2021-06-11 | Prevent from running |
| 2019-02-05 | Block, as a stream |
| 2016-10-15 | Completely block |
| 2014-03-09 | Block, as a stream |
| 2012-10-08 | Stop, as a stream |
| 2011-10-23 | Obstruct |
| 2009-10-04 | Obstruct |
| 2008-07-27 | Block |
| 2006-12-10 | Obstruct |
| 2005-07-12 | Plug |
| 2003-12-28 | Obstruct |
| 2003-06-20 | Plug |
| 2003-04-24 | Obstruct |
| 2003-03-29 | Obstruct |
| 2001-10-21 | Block |
| 1999-11-27 | Obstruct |
| 1997-11-23 | Plug |