| Clue | Source | Date |
|---|---|---|
| Indicator of hills? Crampon out, active | The Telegraph Toughie | 01 Apr 2026 |
| Removed crampon, out with chart that's useful for mountaineers (7,3) | ||
| Two-dimensional rendering of three-dimensional terrain | New York Times | 11 May 2019 |
| Two-dimensional rendering of three-dimensional terrain |