Black Rock Quarry Control Map. Head down to the bottom to unlock the hidden location. Either levitate through the hole or launch a nearby forklift to blow up the wall.
Hiss Corrupted Thomson is in the Black Rock Quarry itself. Pick up the Security Clearance Level 5 and go through the door and into the service elevator. I tried seeing if I needed to go through the furnace chamber through the ventilation outcrop but the door is locked there.
Black Rock Quarry Area.
This would lead you to a mold-infested area. The way to the Black Rock Processing. Maintenance Sector - All Collectibles Overview Map - Control - Game Guides Collectibles Hub. When you have eliminated the JavaScript whatever remains must be an empty page.