Hecla Mining Company, along with its subsidiaries, engages in the exploration, acquisition, development, and extraction of both precious and base metal resources across the United States and internationally. The company produces concentrates of silver, gold, lead, and zinc, as well as carbon material and doré, both of which contain silver and gold. These materials are then sold to custom smelters, metal traders, and third-party processors. Hecla holds full ownership stakes in several key mining operations: the Greens Creek mine in southeast Alaska's Admiralty Island; the Lucky Friday mine in northern Idaho; the Casa Berardi mine located in the Abitibi region of northwestern Quebec, Canada; and the San Sebastian mine in Durango, Mexico. Additionally, the company entirely owns the Fire Creek mine in Lander County, Nevada, and both the Hollister and Midas mines in Elko County, Nevada. Established in 1891, Hecla Mining Company's headquarters are located in Coeur d'Alene, Idaho.