The Coeur mine produced from 1969-1998. Total historical production was 39 million ounces of silver and 33 million pounds of copper from 2.4 million tons of ore. Average ore grades were 16.6 ounces per ton silver and 0.72 % copper.  Silver production initiated at the Coeur mine in Q4 2012 and the ore is processed at the existing milling facilities that have the capacity to accommodate the volumes without modification.