| Clue | Source | Date |
|---|---|---|
| U-shaped river bends | LA Times Daily | 12 Sep 2024 |
| River bends | Thomas Joseph | 16 Dec 2020 |
| U-shaped river bends | Newsday | 23 Jul 2020 |
| U-shaped curves in streams | Universal | 02 Dec 2018 |
| U-shaped curves in streams | ||
| U-shaped river bends | ||
| U-shaped river bends | ||
| River bends | ||
| U-shaped frames | ||
| Animals' yoke collars |