TORONTO, Sept. 12, 2013 /PRNewswire/ - Gran Colombia Gold Corp. (TSX: GCM,
OTC:TPRFF) announced today that it produced a total 9,988 ounces of
gold and 15,273 ounces of silver in August 2013 from its underground
mining operations at Segovia and Marmato in Colombia. This brings......
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