Gran Colombia Gold Announces New High-Grade Vein Discovery and the Extension of the Manto Vein Below Level 38 by Over 1000 Metres at the El Silencio Mine in Its Segovia Operation Feb 24, 2020 | 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-announces-high-120010122.html
