Draft permit to mine released by Minnesota
January 5, 2018
Minnesota estimates PolyMet would need $1 billion in financial assurance for copper-nickel mine
December 21, 2017
PolyMet proposes $544 million to cover early environmental risks
December 14, 2017
US House passes bill clearing the way for PolyMet land swap
November 29, 2017
Minnesota governor says he supports PolyMet copper-nickel project
October 24, 2017
Comment period on PolyMet mine damn safety permits opens
September 18, 2017
Bill to force completion of land swap for PolyMet mine introduced
July 5, 2017
Research unlocks possibility of new mining industry for Minnesota
May 31, 2017
US Forest Service approves land swap for PolyMet Mining Co.
January 10, 2017
PolyMet submits permit to mine application in Minnesota
November 3, 2016
Twin Metals files suit against federal government for renewal of mineral leases
September 14, 2016
PolyMet submits first permits for proposed copper-nickel mine in Minnesota
July 12, 2016
Cliffs will reopen its United Taconite Mine two months ahead of schedule
June 9, 2016
Cliffs Natural Resources Inc. to restart production at Northshore Mine in Minnesota
March 14, 2016
More bad news for Twin Metals project in Minnesota
March 9, 2016
PolyMet gets approval of environmental review from Minnesota officials
March 4, 2016
Minnesota approves mining exploration leases
March 3, 2016
Law firm hired to represent Minnesota in legal action regarding PolyMet Mining raises concerns
December 7, 2015
Public comment period for PolyMet Mine’s EIS opens this week
November 9, 2015
Minnesota Gov. visits first of two mines while considering PolyMet project
October 29, 2015