Top 10: US-based mining companies
Based in Idaho, the largest primary silver producer in the USA, and third, in the world, Hecla Mining has been in business for more than 130 years and is the oldest NYSE-listed precious metals mining company in North America. Hecla Mining Company produces more than 40% of all silver in the United States, and has operating mines in …
WhatsApp: +86 18221755073