After the Great War, Brim Quarry was occupied by mole miners. During March 10, 2095, a squad of five Fire Breathers targeted the quarry's hostile inhabitants due to its proximity to Responder territory. Led by Lieutenant Thomas, the group was made up of Yas, Dustin, Omar, and 20 year-old Garrett, the youngest of the group. At approximately 1915 hours, they began the assault and took over the shipping train yard. The group was surprised by the mole miner's indifference, as the rest of them uphill didn't bother to show up after hearing the shots from downhill. Garret was the only casualty in the Fire Breathers squad, and was properly buried there. The rest decided to camp at the yard and wait for the next morning to continue the assault.
At sunrise, the Fire Breathers pushed uphill to the proper quarry area, but one by one were shot dead by the mole miners. The last of the Fire Breathers was holding a prayer before meeting their demise.
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. Several vehicles including cranes and off-road vehicles are parked outside the main building. An armor workbench, tinker's workbench, and a Fire Breather corpse is 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. Several Fire Breather corpses can be found throughout the location.
- 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.
- Foreman's key - In the tower building containing a cooking station to the southwest.
- Fusion core - Inside the fusion generator next to the aforementioned Fire Breather corpse.
- Potential armor mod plan - At the main shack atop the hill, opposite of an armor workbench, on a long wooden crate.
Brim Quarry appears only in Fallout 76.