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Hornwright testing site #04 is a location in the Ash Heap region of Appalachia in 2102.


The testing site is one of three sites where Hornwright Industrial Mining Company tested their mining equipment.


Hornwright testing site #04 is a small building surrounded by abandoned train cars which is located up the hill from Brim Quarry. Inside the building are two rooms, one of which is a makeshift workshop containing broken robots. There is very little of note at this location other than assorted junk items and a very empty refrigerator.

Notable lootEdit

A random plan or recipe may spawn on the large metal table by the door.


Hornwright testing site #04 appears only in Fallout 76.

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