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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]
Sources
- ^ Halo: Ghosts of Onyx, page 269
This article is a stub. You can help Halopedia by expanding it.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]