HECLA MINING COMPANY

Mining extraction; mining extraction of precious metals and minerals; consulting services related to mines and mining extraction of precious and base metals; mining of precious and base metals; building of mines

Processing of precious metals and base metals

Mining exploration and mineral exploration services; consulting services in the field of mining exploration; Engineering and engineering design services relating to the exploration and mining of precious and base metals; research and development in the mining area; quality evaluation of precious and base metals