TORONTO, July 27, 2011 /PRNewswire/ - Cerro Grande Mining Corporation (the "Company" or "CEG") (TSX: CEG) (OTCQX: CEGMF) reported that its common stock began trading today on the OTCQX International under the symbol "CEGMF". OTCQX, operated by OTC Markets Group, is the highest tier of the OTC m
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