| Clue | Source | Date |
|---|---|---|
| *Unofficial nickname of South Dakota | Wall Street Journal | 13 Nov 2024 |
| South Dakota's nickname | The New Yorker | 02 Mar 2020 |
| Nickname for South Dakota | Wall Street Journal | 30 Jan 2017 |
| South Dakota's nickname | ||
| South Dakota | ||
| South Dakota | ||
| South Dakota's nickname | ||
| South Dakota |