 The Coeur mine produced continuously from 1969 through 1991 and again from 1996 through 1997.The total production was 39 million ounces of silver and 33 million pounds of copper from 2.4 million tons of ore. Average ore grades were 16.0 ounces per ton silver and 0.68% copper.This mine is serviced by an operational three compartment shaft with a double drum hoist that goes to below the surface.