| Clue | Source | Date |
|---|---|---|
| Pioneers in a field | Newsday | 25 Sep 2022 |
| Pioneers | LA Times Daily | 02 Aug 2017 |
| Pioneers | The Washington Post | 02 Aug 2017 |
| Pioneers | ||
| Follow those in the suits - they're presumably from the pioneer association | Irish Times Crosaire | 08 Jul 2015 |
| They run and leap in Portland | ||
| Davy Crockett and Daniel Boone | ||
| They leap high in Portland | ||
| Hiking garments | ||
| Lewis and Clark, for example. |