| Clue | Source | Date |
|---|---|---|
| Aquanaut's workplace ... or a hint to what's graphically represented four times in this puzzle | LA Times Daily | 26 Jan 2018 |
| Aquanaut's workplace ... or a hint to what's graphically represented four times in this puzzle | The Washington Post | 26 Jan 2018 |
| Aquanaut's workplace ... or a hint to what's graphically represented four times in this puzzle |