VANCOUVER, British Columbia, April 12, 2018 -- Trevali Mining Corporation reports preliminary consolidated first quarter 2018 production of 99 million payable pounds of zinc, 12 million payable pounds of lead and 336,927 payable ounces of silver . Table 1: Preliminary Consolidated Q1-2018 Production Q1-2018 Q1-2017 Tonnes Mined 790,215 370,953
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