Klepfer Mining Service, 11891 N Warren St, Hayden, ID 83835, US

Established in 1891 in northern Idaho's Silver Valley, Hecla Mining Company's rich history of mining has distinguished it as a respected precious metals producer. Hecla is one of the lowest-cost primary silver producers in North America, producing 6 million ounces of silver at an average total cash cost of $2.96 per ounce in 2005. Hecla also produced 140,559 ounces of gold at an average total cash cost of $337 per ounce. The company has exploration properties and operating mines in five major world-class mining districts. Hecla mines, processes and explores for silver and gold in the United States, Mexico and Venezuela. The company s common stock has been traded on the New York Stock Exchange for more than 40 years under the symbol HL. Hecla Mining Company maintains its headquarters in Coeur d'Alene, Idaho.