Rio Alto Mining Limited (TSX:RIO) (BVL:RIO) (NYSE:RIOM) (DBFrankfurt:MS2) is pleased to announce that it has received formal notification from the General Bureau of Environmental Affairs of the Ministry of Energy and Mines of Peru Directorial …

  Rio Alto Mining Limited (TSX:RIO)(LMA:RIO)(NYSE:RIOM)(DBFrankfurt:MS2) to report the results of the first 30 drill holes at its La Colorada West Zone gold exploration target. The first drill program had two objectives – to identify potential economic mineralization and to …