(March 13, 2018, 11:47 AM EDT) -- COEUR D’ALENE, Idaho — The owner of the Bunker Hill Mine and the lessee of the facility on March 12 agreed to pay $20 million to the U.S. Environmental Protection Agency to reimburse the agency for money it has spent treating acid mine drainage, cover the future costs of treating the wastewater and resume mining operations after a two-decade hiatus, according to a consent decree filed in Idaho federal court (United States v. Placer Mining Co., et al., No. 04cv126, D. Idaho)....