Hecla Mining Company is engaged in discovering, acquiring, developing, producing, and marketing silver, gold, lead and zinc. The Company operates in two segments: the Greens Creek unit and the Lucky Friday unit. Its wholly-owned subsidiary is Hecla Alaska LLC. The Company produces zinc, lead and bulk concentrates at its Greens Creek unit and lead and zinc concentrates at its Lucky Friday unit, which it sells to custom smelters on contract, and unrefined gold and silver bullion bars (dore) at Greens Creek, which are sold directly to customers or further refined before sale to precious metals traders. The concentrates produced at its Greens Creek and Lucky Friday units contain payable silver, zinc and lead, and the concentrates produced at Greens Creek also contain payable gold. During the year ended December 31, 2011, the Company produced 9,483,676 ounces of silver, 56,818 ounces of gold, 39,150 tons of lead and 73,355 tons of Zinc.