Dig Four Times in the Bone Site.

Upgrade the Bone Site

Rewards:

Comes from:
A Bone To Pick
Spawns:
Jurassic Farce
Notes: Each dig of the Bone Site requires an Excavation Kit. All building details are HERE.
Each Excavation Kit requires 2 Bone Dusters (Geese) and 2 Precise Picks (Wall Post)