ON DEEP MINING IN MEXICO AND THE CHANGES THAT OCCUR IN THE COUNTRY ROCK AND VEIN FILLING IN DEPTH WITH DISCUSSION 1895 - HALSE, EDWARD (AMERICAN INSTITUTE OF MINING ENGINEERS, 1894)
N ENG INST MIN ENGIN TRANS
Keywords: DEEP, MINING, MEXICO, COUNTRY, ROCK, VEIN, DISCUSSION; CIENCIAS DE LA TIERRA Y DEL ESPACIO; GEOLOGIA; MINERALOGIA