Fallout 4 Game Guide & Walkthrough. As with many other companies before the war, Dunwich Borers LLC cared little about the people in their employ, with money being the primary concern. The area known as Dunwich Borers is a Quarry Location in the Northeastern area of The Commonwealth. There are no enemies here so just go upstairs and loot the Dunwich Borers Key from the dead raider by the red door. Workers were kept pacifie… This inactive mine is currently a base for powerful raiders. Dunwich Borers Fallout 4 Guide. 2. 0. An old marble quarry abandoned since the Great War, the massive excavation hides an even more horrible secret than a heinous OSHA track record and plenty of worker deaths. The terminal that deactivates the turrets. Railings and support beams were only set up where necessary and renovated only when they decayed to the point when they couldn't do their job properly. It’s a relatively short trip west from the shoreline that dominates the eastern side of the Commonwealth. It is located to the West of Hugo's Hole, and East of … 0. Table of Contents. Post Comment. Main Walkthrough Dunwich Borers is located in the northeast of the Commonwealth, just to the east of the highway that runs through the area. Next Sectors Maps Salem - Sector 3 Kingsport Lighthouse Prev Sectors Maps Salem - Sector 3 Mahkra Fishpacking.