From WoWWiki

Boulder Lode Mine is yet another base of operations for the Venture Trading Company. Venture Co. Enforcers and Overseers infest both the cave and the nearby fort and tower. Adventurers sometimes attempt assaults on the mine in order to procure a rare and valuable gem sought by a goblin in Ratchet.

Subzones of The Barrens

Agama'gor • Bael'dun Keep • Bael Modan • Blackthorn Ridge • Boulder Lode Mine • Bramblescar • Camp Taurajo • The Crossroads • Dreadmist Den • Dreadmist Peak • The Dry Hills • Far Watch Post • Field of Giants • The Forgotten Pools • Fray Island • Gold Road • The Great Sea • Grol'dom Farm • Honor's Stand • Lushwater Oasis • The Merchant Coast • Mor'shan Base Camp • The Mor'shan Rampart • Northwatch Hold • Raptor Grounds • Ratchet • Razorfen Downs • Razorfen Kraul • Shrine of the Fallen Warrior • The Sludge Fen • Southern Barrens • Southern Gold Road • Southfury River • The Stagnant Oasis • Thorn Hill • The Tidus Stair