VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 07/18/11 -- GREAT PANTHER SILVER LIMITED (TSX: GPR)(NYSE Amex: GPL) (the 'Company') is pleased to announce the acquisition of four mining concessions, totaling 1,514 hectares, approximately 10-15 kilometres northeast of Guanajuato, Mexico (see maps on Great Panther Silver's website). The claims are
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