| Clue | Source | Date |
|---|---|---|
| Major pipe | Eugene Sheffer | 16 Oct 2023 |
| Line in a utility network | LA Times Daily | 12 May 2016 |
| Goes in and out of one's house - some of the politicians say it won't lead to charges sticking | Irish Times Crosaire | 25 Apr 2016 |
| Line in a utility network | ||
| Underground conduit | ||
| Principal pipe | ||
| Underground conduit | ||
| Underground conduit | ||
| Big pipe | ||
| Big pipe | ||
| Major pipe | ||
| Sometime city flood source | ||
| Public utility conduit. |