NOTES ON THE OCCURRENCE OF MANGANESE ORE NEAR MULEGE BAJA CALIFORNIA MEXICO 1892 - HALSE, EDWARD (AMERICAN INSTITUTE OF MINING ENGINEERS, 1893)
N ENG INST MIN ENGIN TRANS
Keywords: NOTES, OCCURRENCE, MANGANESE, ORE, MULEGE, BAJA, CALIFORNIA, MEXICO; CIENCIAS DE LA TIERRA Y DEL ESPACIO; GEOLOGIA; MINERALOGIA