| Reference | {Deposit:: EMJ INTERNATIONAL DIRECTORY OF MINING, 1975.}{Deposit:: EMJ, FOUR CONCENTRATES FROM CHARCAS UNIT, NOV. 1980,}{Deposit:: PP. 125-126.}{Deposit:: INTERNAT. LEAD AND ZINC STUDY GROUP, LEAD AND ZINC NEW MINE}{Deposit:: AND SMELTER PROJECTS, DEC. 1980.}{Deposit:: LOS RECUROS NATURALES NO RENOVABLES DE MEXICO. BULLETIN 73.}{Reserve-Resource:: PINCOCK, ALLEN & HOLT, JANUARY 1989}{Reserve-Resource:: AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE, 1993,}{Reserve-Resource:: P. 38.} |