/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: alonsobeltran12 https://public.slidesharecdn.com/v2/images/profile-picture.png INGENIERO DE MINAS Y METALURGIA-UNALMED ASESOR PARA LA PEQUEÑA MINERIA DEL NORDESTE Y BAJO CAUCA ANTIOQUEÑO