Volume 105 Number 6 March 18 – 31, 2019


The processing plant at Gran Colombia Gold’s Segovia gold mine in Antioquia, Colombia. Credit: Gran Colombia Gold.

Gran Colombia Gold works with artisanal miners

With several underground mines and two processing plants at its Segovia and Marmato operations in Colombia, Gran Colombia Gold (TSX: GCM; US-OTC: TPRFF) is the South American country’s largest underground…





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