Gran Colombia Gold’s Production Increases 12% to 118,483 Ounces in the First Half of 2019; Raises Its 2019 Annual Gold Production Guidance Jul 11, 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-gold-production-increases-110000037.html
