Prize Mining Reports Channel Sample Returning 2.61 Percent Copper Over 7 Meters at the Manto Negro Oxide Copper Project, Coahuila State, Mexico https://www.newswire.ca/news-releases/prize-mining-reports-channel-sample-returning-261-percent-copper-over-7-meters-at-the-manto-negro-oxide-copper-project-coahuila-state-mexico-676801813.html Prize Mining Corporation Mar 14, 2018, 09:00 ET