Copperstone expansion results give Kerr confidence Kerr Mines (TSX: KER) says initial results from a 10,000m underground resource expansion drilling programme are supporting its confidence to be able to extend the mine life at its Copperstone project in Arizona. https://www.mining-journal.com/resource-definition/news/1360452/copperstone-expansion-results-give-kerr-confidence https://kerrmines.com/ http://www.sprott.com/ https://www.google.com/amp/s/amp.theguardian.com/world/2019/apr/08/barnier-eu-support-backstop-ireland-no-deal-brexit