Complete the puzzle in the Crack in the Earth zone in order to find a wooden board in order to cross the crevice and proceed on. Talk to Otto the Geologist after you're done.
Zone Received In: The Snowy Crater
Previous Quest: The Secret Entrance
Requirement 1: Find the Wooden Board
Requirement 2: Talk to Dr. Otto
Reward/s: 300xp (!)
Next Quest: Out of Rations!
Questline: Journey into the Earth...