Iron ore, copper, and nickel are just a few of the many natural resources that make Minnesota a well-known state. Minnesota’s mining sector is growing and provides a number of profitable job opportunities for those interested in a career in this area.
Polymet Mining Corp. is one of the leading mining firms in Minnesota. This Minnesota-based ...
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Close-up of blast at a coal mine in South Africa. Can you say overcharged?Eugene Preis
