MINING: Company to release operation plan for Ariz. copper project Manuel Quiñones, E&E reporter Published: Tuesday, November 12, 2013 The developer of a proposed Arizona copper mine is expected this week to release an operations plan for the project. Please subscribe to E&ENews PM to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.