Black Rock Quarry Control Map. Theres also the Black Rock Quarry to which we can get using the Sector Elevator down to the Maintenance Sector Access Corridor then through the NSC Control Room and on to. Once you reach the bottom you will be in the Black Rock Quarry area.

I think its both perfect and totally intentional that Langston is such a cat person. On the next page of Control guide you will find a walkthrough of the task Threshold. In the Black Rock Quarry Entrance area theres a hole between some rocks that leads you to a Mold-infested area.
Door at the Upper Level NSC Power Plant checkpoint.
Black Rock Quarry. There is a hole between some rocks at the entrance of the Black Quarry mine. How to reach the Quarry how to detonate the charges and how to escape from the Quarry. Black Rock Quarry.