Cliffs Natural and United Steelworkers announce 37-month labor agreement Cliffs Natural Resources announced that the United Steelworkers ratified the tentative settlement agreement signed by both parties this past October. All USW local memberships representing workers from Michigan and Minnesota operations ratified the new 37-month labor contract effective Sept. 1. The new contract will cover approximately 2,400 USW-represented workers at Cliffs' Empire and Tilden mines in Michigan, and its United Taconite and Hibbing Taconite mines in Minnesota.
Cliffs Natural finalizes energy agreement with We Energies in U.P. of Michigan Cliffs Natural (CLF) has finalized an interim power agreement with Wisconsin Energy's (WEC) utility energy segment We Energies for its Michigan operations. The company stated that this is "one key step in a series of contemplated short and long-term agreements that are essential to the viability of its iron ore mines in the Upper Peninsula".