How to get Onix (Pokémon Platinum)

Where to get Pokémon #95 Onix

Groment City, Pokemon Light Platinum Wiki

Pokémon Adventures: Diamond and Pearl/Platinum, Vol. 4, Book by Hidenori Kusaka, Satoshi Yamamoto, Official Publisher Page

Pokémon Platinum Walkthrough Part 4: Gym Leader Roark

Onix (Pokémon) - Bulbapedia, the community-driven Pokémon encyclopedia

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

My nuzlocke team prior to the first gym in platinum. The first gym leader has an Onix(Also got electrizer) : r/nuzlocke

How do you evolve Onix in light Platinum?

How to get a scizor in Pokemon Platinum - Quora

5 Ways to Get a Gabite in Pokémon - wikiHow

Pokémon Platinum: Beating the Sinnoh Gym Leaders - HubPages