Holds Nuestra Señora silver-lead-zinc-copper mine, near Cosalá, Sinaloa state, Mexico, which commenced commercial production in January 2009. A 2007 pre-feasibility study projected throughput of 350,000 tonnes per year and average annual production of 1,100,000 oz. silver, 9,000,000 lbs. lead, 18,000,000 lbs. zinc and 1,800,000 lbs. copper. Probable reserves were 1,886,769 tonnes grading 127 g/t silver, 1.42% lead, 2.97% zinc and 0.42% copper.