Gran Colombia Announces Details for the Forthcoming Quarterly Repayment of Its Gold Notes on July 31, 2019 and the Second Quarter 2019 Results Webcast Jul 16, 2019 | Companies News, Industry, Mining Visit Gran Colombia Gold Corp. page for more research, discussion boards and to like, and share. Source: https://finance.yahoo.com/news/gran-colombia-announces-details-forthcoming-211500309.html