Southern Intersects Bonanza-Grade Silver at Cerro Las Minitas with 8.0 Metres Averaging 1,072g/t Ag, 18.8% Pb and 7.5% Zn (2,040g/t AgEq) including 0.6 Metres Grading 3,180g/t Ag, 58.8% Pb and 2.3% Zn (5,148g/t AgEq)