Gregor Canyon
From Halopedia, the Halo wiki
Gregor Canyon was a canyon near Zone 67 on the planet Onyx. Slabs of onyx were quarried from the canyon by the UNSC here.[1]
List of appearances[edit]
- Halo: Ghosts of Onyx (First appearance)
Sources[edit]
- ^ Halo: Ghosts of Onyx, chapter 30
