Los países mayores productores de cobre del mundo

http://city-lines.com/2015/10/07/mining-and-natural-resources-iii-copper-mining-production-leaders/

We have started our approach to mining industry in a high level, then we have centered our study in copper mines, so we are now willing to present some of the data that will take us to some of the conclusions that we want to present in this posts serie.