Stunix #420.95 - FusionDex

Who decided that Onix should have a ridicuously difficult catch rate?

Unexpected Shiny Onix during the grind for the Pokémon League. : r/PokemonHGSS

Crystal Onix [Pokemon Brilliant Diamond and Shining Pearl] [Mods]

Pokémon TCG Reveals Pokémon Card 151: Onix Brings Kanto Vibes

Following the Trend, here's every Pokemon you can get in Pokemon Platinum before the first gym. : r/pokemon

Pokémon Adventures: Diamond and Pearl/Platinum, Vol. 10, Book by Hidenori Kusaka, Satoshi Yamamoto, Official Publisher Page

Back to Basics - A Pokemon Platinum Nuzlocke

Códigos e cheats de Pokémon Light Platinum – Tecnoblog

Pokemon Platinum Part #11 - Right Angle

Oreburgh Mine - Bulbapedia, the community-driven Pokémon encyclopedia