| Reference | {Deposit:: GUILD, PHILIP W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: LISTING OF DEPOSITS: U.S. GEOLOGICAL SURVEY, GEOLOGICAL SURVEY CIRCULAR 858-B, 72 P..}{Deposit:: AYUB M., A.R., 1960, MINERALES DE MANGANESO EN LOS ESTADOS DE SONORA, DURANGO, ZACATECAS Y SAN LUIS POTOSI: CRNNR BOLETIN 49, P. 35-64, TABLAS I-III.}{Deposit:: TRASK, P.D. AND RODRIGUEZ C., J. JR., 1948, MANGANESE DEPOSITS OF MEXICO: U.S.G.S. BULLETIN 954-F, P. 273-276, 308-309, TABLE 17.}{Production:: AYUB, 1960.} |