Polymet Mining NorthMet Project SignCliffs Erie, Iron Range, Mining, Minnesota, NorthMet Project, Polymet Mining A sign at the PolyMet Mining NorthMet Project. Captured on May 2, 2021. © Chad Davis | chad@chaddavis.photography Filed Under: Cliffs Erie, Iron Range, Mining, Minnesota, NorthMet Project, Polymet Mining Related posts: No one voted for Elon Musk! West Publishing in Downtown St. Paul July 2021 Visit to Foxconn Wisconsin Ely’s Historic State Theater