Written by Ramón Gualdrón Forero, it explains a pioneering method in the country that has become a reference for the national and international mining industry.

Although this book ends with a chapter called "The future", which describes the fate of the nearly 18,000 hectares intervened; Rereading its pages, one cannot help but feel transported to that ancestral, exuberant and full of diversity of life scenario.

Surprise yourself with a trip to the past and discover more information about the Titanoboa Cerrejonenis and other animals that inhabited Colombia millions of years ago.