Gran Colombia Gold’s Production Increases 7% to 174,754 Ounces in the First Nine Months of 2019 With Steady Performance in the Third Quarter; Cash Balance Improves to US$63 Million at the End of September Oct 10, 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-110000637.html