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    • Vetiver grasses grown to clean Vizcaya waterways 

      Perante, Ceasar M. (Manila Bulletin, May 8, 2015, on page 16)
      After commissioning the operation of a $6.1million water treatment facility for its Didipio Mine in this upland town, OceanaGold Philippines, Inc. (OGPI) announced the implementation of more natural measures that would ...