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1.- EXPERIMENTAL AND FIELD OBSERVATIONS OF HEAVY METAL LEACHING FROM HISTORICAL TAILINGS AT THE SAN NICOLAS MINE; IMPACT ON THE LOCAL WATER, GUANAJUATO, MEXICO GEOLOGICAL SOCIETY OF AMERICA (GSA); BOULDER, CO; USA; UNITED STATES, 2000 GEOLOGICAL SOCIETY OF AMERICA, 2000 ANNUAL MEETING Ver registro
2.- MINERAL IDENTIFICATION AND HUMIDITY CELL TEST RESULTS ON THE OLD TAILINGS OF THE SAN ANTONIO-EL TRIUNFO MINING AREA, BAJA CALIFORNIA PENINSULA, MEXICO GEOLOGICAL SOCIETY OF AMERICA (GSA); BOULDER, CO; USA; UNITED STATES, 1995 GEOLOGICAL SOCIETY OF AMERICA, CORDILLERAN SECTION, 91ST ANNUAL MEETING Ver registro
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