Only 12% of mines in central Colombia state fully comply with the law: National Mining Agency by Daniel Medendorp Escobar May 28, 2014 0 FacebookTwitterPinterestEmail
Colombia has 32 lapsed mining contracts by Joey O'Gorman March 6, 2013 0 FacebookTwitterPinterestEmail
Colombian mining officials warn against industry centralization by Brandon Barrett July 18, 2012 0 FacebookTwitterPinterestEmail