Gran Colombia Gold Corp. (TSX: GCM) has upped its full-year gold-production guidance to more than 200,000 ounces after reporting second-quarter output of 52,906 ounces
Gran Colombia Gold Corp. (TSX: GCM) has upped its full-year gold-production guidance to more than 200,000 ounces after reporting second-quarter output of 52,906 ounces