By L. J. Deltworth “It is the second largest ore body in the world” (1910) – The Pilares mine, located about 6 miles from Nacozari, under the management of J. S. Williams, Jr., is one of the principal holdings of the Moctezuma Copper Co. They are operating as usual and J .S. Williams, time keeper for the mines, … Sigue leyendo The Pilares Mine in 1910: A Historical Perspective