Marginal Impact of Historical Mining on Potential Open Pit VANCOUVER, British Columbia, March 08, 2022 (GLOBE NEWSWIRE) -- Prime Mining Corp. (“Prime” or the “Company”) (TSX-V: PRYM, OTCQB: PRMNF, Frankfurt: 04V3) announces continuing positive drill results from a key drill hole at Guadalupe East, one of eight known gold-silver deposits, at its wholly owned Los Reyes gold-silver project in Sinaloa State, Mexico (“Los Reyes” or the “Project”).