Hecla Mining Company is a silver producer in the United States and Canada. It discovers, acquires and develops mines and other mineral interests and produces and markets concentrates containing silver, gold, lead, zinc and copper; carbon material containing silver and gold, and unrefined dore containing silver and gold. Its segments include Greens Creek, Lucky Friday, and Keno Hill. Greens Creek operation is located on Admiralty Island, near Juneau, Alaska. The Greens Creek property includes over 440 unpatented lode mining claims, 58 unpatented mill site claims, 21 patented lode claims and one patented mill site. Lucky Friday mine is a deep underground silver, lead, and zinc mine located in the Coeur d'Alene Mining District in northern Idaho. The Keno Hill unit is located in the central Yukon Territory, Canada, and covers an area of approximately 15,000 hectares in central Yukon. The total Hecla Keno Hill mineral claims cover an area of approximately 238.12 square kilometers.