Black Rock Quarry Control Map. Hiss Corrupted Thomson is in the Black Rock Quarry itself. Lacking any hovering or flying abilities I thought perhaps Im in the wrong section.
In the Black Rock Quarry Entrance area theres a hole between some rocks that leads you to a Mold-infested area. Detonation of charges in the Quarry. I had the same question with a personnel protection mission.
Control point isnt centered with the logo.
Hiss Corrupted Thomson is in the Black Rock Quarry itself. Tag the control point and head out the locked door. At the top kill the enemies on the walkway and keep. Walk along the top of the quarry and use your levitation when needed to reach the open hangar doors on the northside.