VANCOUVER, June 28, 2013 /CNW/ - Oroco Resource Corp. ("Oroco") (TSXV:OCO, Frankfurt:OR6) and Goldgroup Mining Inc. ("Goldgroup") (TSX:GGA, OTC:GGAZF, BMV SIC:GGAN.MX) announce that they have agreed to extend, to July 15, 2013, the closing date for the acquisition of the Cerro Prieto Project by Goldgroup.About GoldgroupGoldgroup is a Canadian-based
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