The Brief NorthMet Project submitted proposed project changes to the Minnesota DNR. An updated proposal for a copper-nickel mining project in northern Minnesota is under review by the Minnesota Department of Natural Resources (DNR). The Minnesota DNR says the project proposal underwent comprehensive environmental review from 2004 to 2016. Proposed changesThe backstory:The DNR says it received notice Wednesday of proposed changes to the project. Instead, it builds on the previous EIS focusing on proposed substantial changes and new information or circumstances," said Caroline Oswald, MN DNR Environmental Review Project Manager.