| Clue | Source | Date |
|---|---|---|
| Venture into the unknown (11) | ||
| Former head of police gives large speech on investigation (11) | ||
| Action of searching an area for natural resources (11) | ||
| Investigation of place in former speech (11) | ||
| Study (11) | Puzzler | 09 Dec 2023 |
| The discovering of new lands | The Times Concise | 31 Oct 2022 |
| Inquiry | The Telegraph Quick | 23 May 2021 |
| Explain root potential of research | ||
| Magellan's specialty | Thomas Joseph | 31 May 2016 |
| Investigation | The Telegraph Quick | 27 Apr 2016 |
| Probe |