San Manuel Mine was once the world’s largest underground copper mining operation in size of ore body, production capacity and infrastructure. It is located in the Old Hat mining district on the ...

The gaping mouth of Resolution Copper Mining’s No. 10 shaft is 28 feet across and opens into a sheer drop of nearly 7,000 feet, making it the deepest continuous mine shaft in the United States.

LIBBY — Jeff Robertson and Tracie Barnes are the kind of men who know how to fix things, handy as a pocket on a shirt. They have spent their lives working: driving trucks, operating machinery ...

Lottery mining is cheap and fun, but don’t count on hitting a block. Solo ASIC mining gives you complete control, but it’s a long-odds game. Pool mining is the most practical way to earn ...