| Clue | Source | Date |
|---|---|---|
| Great Plains aquifer that supplies over a quarter of U.S. irrigation water | New York Times | 22 Feb 2025 |
| Nebraska city named for a Native American tribe | LA Times Daily | 12 Feb 2017 |
| Nebraska city named for a Native American tribe | ||
| Nebraska town, named after an Indian tribe, featured in "Lonesome Dove" | ||
| Nebraska town named after a Sioux Indian tribe |