Gretna, Hm Factory, Eastriggs Explosives Factory, Acids Section, Pyrites Crusher

Scotland's National Record of the Historic Environment records Gretna, Hm Factory, Eastriggs Explosives Factory, Acids Section, Pyrites Crusher as Rock Crusher (first World War). The official map says its point is accurate as follows: NGR given to the nearest 1m. The record does not by itself mean that the public may enter the place.