Has interests in mines in Alaska, Washington, Newfoundland, British Columbia, Alberta, Chile and Peru, a copper-zinc project in Mexico, a copper project in British Columbia, copper-molybdenum projects in Chile and oil sands projects in Alberta. Principal products are zinc concentrate and refined zinc, copper concentrate and cathode copper and metallurgical coal, with molybdenum and lead as significant by-products. Also produces silver, various specialty metals, chemicals and fertilizers and sells hydroelectric power.