<P> Iron mining in the United States produced 42.5 million metric tons of iron ore in 2015 , worth US $3.8 billion . Iron ore was the third - highest - value metal mined in the United States , after gold and copper . Iron ore was mined from nine active mines and three reclamation operations in Michigan , Minnesota , and Utah . Most of the iron ore was mined in northern Minnesota 's Mesabi Range . Net exports ( exports minus imports ) were 3.9 million tons . US iron ore made up 2.5 percent of the total mined worldwide in 2015 . Employment as of 2014 was 5,750 in iron mines and iron ore treatment plants . </P>
<P> Iron mining in the United States produced 42.5 million metric tons of iron ore in 2015 , worth US $3.8 billion . Iron ore was the third - highest - value metal mined in the United States , after gold and copper . Iron ore was mined from nine active mines and three reclamation operations in Michigan , Minnesota , and Utah . Most of the iron ore was mined in northern Minnesota 's Mesabi Range . Net exports ( exports minus imports ) were 3.9 million tons . US iron ore made up 2.5 percent of the total mined worldwide in 2015 . Employment as of 2014 was 5,750 in iron mines and iron ore treatment plants . </P>
where is iron ore found in the us
where is iron ore found in the us
Michigan Minnesota Utah
Michigan Minnesota Utah