Black Rock Quarry Control Map. Coming from Black Rock Lab highest point of the NSC Energy Converters. Research Records - Black Rock.
Now you need to find the Black Rock Quarry. On the side of the corridor leading to the Black rock Quarry. Door at the Upper Level NSC Power Plant checkpoint.
You can levitate through a hole or smash a forklift through the wall to reach a shaft.
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. You want to start at the Quarry Entrance. You will travel to the Black Rock Quarry. Either levitate through the hole or launch a nearby forklift to blow up the wall.