Brim Quarry is at the top of a hill in the Ash Heap. There is a control tower at the bottom of this hill with a crane and shipping containers outside. Inside the control tower is a cooking station, a sleeping bag, and a desk with a typewriter and a note. There is a foreman's key which will open several locks around the location hanging on a pegboard on the wall.
The main building and quarry are at the top of the hill. There are lots of vehicles including cranes and off-road vehicles parked outside the main building as well as an armor workbench and a tinker's workbench, and a Fire Breather corpse lying against a fusion generator. Inside the building is a locked desk, a filing cabinet, and a wall safe, all of which can be unlocked with the foreman's key. The building also contains an explosives crate and several lockers.
- Foreman's key - In the tower building containing a cooking station to the southwest.
- Lt. Thomas' action report - Note, in the tower building to the southwest.
- Fire Breather's prayer - Note, on a Fire Breather corpse, beside a fusion generator.
- Fusion core - Inside the fusion generator next to the aforementioned Fire Breathers corpse.
Brim Quarry appears only in Fallout 76.