Anibal Pinto Saltpeter Office.
Explosives plant, Calama.
Pampa Unión. Former Bolivian territory.
The ruins of the town of Pampa Unión are located in the region of Antofagasta, an area that had great relevance from 1870, due to the abundant deposits of saltpeter discovered at the time when this territory was still under Bolivian sovereignty.
Pedro de Valdivia.
Nitroglycerin transport cart. Explosives production plant for the mining industry. Calama, Chile.
Mold for dynamite production. Explosives plant, Calama.
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Nitroglycerine. Explosives plant, Calama.
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Owners of Saltpeter Works - Archive image
Pampa Unión. Former Bolivian territory.