Great Rock Development Corporation Acquires Gold Rights to Cobequid Highland Claims in Nova Scotia

SAULT STE MARIE, ON -- (Marketwire) -- 04/20/12 -- Great Rock Development Corporation (PINKSHEETS: GROC) reported…

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Great Rock Development Corporation Updates Shareholders on Social Housing Solar Project and Initiatives

SAULT STE MARIE, ON -- (Marketwire) -- 03/21/12 -- Great Rock Development Corporation (PINKSHEETS: GRDCD) is…

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