Administrative Law Judge James E. LaFave wrote that PolyMet's plan to block tailings seepage with bentonite clay would not ...

A state administrative law judge says the mine’s planned method of storing reactive mine waste is not “practical and workable ...

MINNEAPOLIS -- The proposed NewRange Copper Nickel mine in northeastern Minnesota suffered a fresh setback this week when an ...

MINNEAPOLIS —The proposed NewRange Copper Nickel mine in northeastern Minnesota suffered a fresh setback this week when an administrative law judge recommended that state regulators should not ...