Cyprium Mining, high grade underground sample results, Potosi Mine, Chihuahua September 3, 2015September 7, 2015 / Gambusino Prospector http://www.cypriummining.com/en/investors/news-releases/cyprium-mining-announces-additional-assays-results-of-initial-exploration-program-at-potosi-silver-mine Share this:TwitterFacebookLike this:Like Loading...