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/CNW/ - At the closing of Colombia s National Mining Congress and having as a witness Marianick Tremblay, Ambassador of Canada in Colombia, and Ivan Duque.

United statesIvan duque marquezNasly salcedo calderMarianick tremblayPierre grattonCynthia waldmeierColombia national mining congressColombian mining associationMining association of canadaNational mining congressColombiana de minerTowards sustainable miningMining associationJuan camilo nariSouth americaMining association of canada mac