Operations  

As an international mining company, the largest producer of iron ore pellets in North America, and a major supply of metallurgical coal to the global steelmaking industry, Cliffs has operations on three continents. Our North American business unit operates five iron ore mines in Michigan and Minnesota, and three coking coal mines in West Virginia and Alabama. Portman Limited, the company’s Australian iron ore operation, provides direct-shipping ores to Asian markets.

 

North American Iron Ore

Empire Mine
Tilden Mine
Hibbing Taconite
Northshore Mining
United Taconite

North American Coal

Oak Grove Mine
Pinnacle Mine
Green Ridge Mine

North American Biofuel

Renewafuel

Asia-Pacific

Iron Ore
Portman Limited
Coal
Sonoma Project

Latin America

Iron Ore
Amapa Project

MINING OPERATIONS