| Clue | Source | Date |
|---|---|---|
| Waterway that carved the Grand Canyon | USA Today | 18 Dec 2023 |
| *Grand Canyon traveler | The Washington Post | 24 Mar 2022 |
| *Grand Canyon traveler | LA Times Daily | 24 Mar 2022 |
| Moab is on it | Thomas Joseph | 25 Feb 2022 |
| Yuma is on it | Thomas Joseph | 11 May 2018 |
| Where you might tour the Grand Canyon in a 38-Across | New York Times | 10 Apr 2016 |