Gran Colombia Gold Corp. Exchange: TSX Exchange | Jun 11, 2018, 10:07 AM EDT logo GCM $ 3.20 real time data Change Up Change: $0.09 +2.89%) Volume: 5,521 Real-time pric
Gran Colombia Gold Corp. (TSX: GCM): Currently the Largest Underground Gold and Silver Producer in Colombia, Interview with Mike Davies, CFO By Dr. Allen Alper, PhD Economic Geology and Petrology, Columbia University, NYC, US on 6/11/2018