NATURAL COKE OF SANTA CLARA COAL FIELD SONORA MEXICO - DUMBLE, EDWIN THEODORE (My University, 1899)
TRANS AM INST MIN ENGI
Keywords: NATURAL, COKE, SANTA, CLARA, COAL, FIELD, SONORA, MEXICO; CIENCIAS DE LA TIERRA Y DEL ESPACIO; GEOLOGIA; GEOLOGIA DEL CARBON