Back Forty Project:
NorthMet Project, Polymet:
This report evaluates the clean-up costs of hardrock mining in the US and the burden on the Superfund program.
The table below highlights mines that are currently in the permitting or exploratory process, as of April 11, 2017.
|Name, Owner, Location||Size||Wetlands Impacted||Type of Mine||Status|
|Approx 1,000 acres owned and leased (check before we publish)
|Not yet known||Open-pit gold, nickel, copper,||Permits received for mining and air. Pending wastewater discharge (NPDES) and wetlands.|
|6,650 acres||913 acres of wetland permanently removed||Open-pit
|Permits applied for include: mining, water appropriations, and dam safety. Have not yet submitted wetlands permit.|
Porcupine Mountain State Park, Gogebic, Ontonagon and Keweenaw Counties, Michigan
|21 exploration holes, of which 12 are in a 1-square mile area located in the state park.||Not yet known||Copper||Exploratory permits granted, possibly including road construction.|