A couple years back Minnesota passed legislation that permits must be accepted or denied in 180 days when filed, due to projects like Polymet and Essar Steel. so when Polymet files for their permits in April and they are approved construction will take place around years end or the beginning of 2017.
They might not explode like people think, but on the other hand drillers and exploration companies are finding out that this vein of precious metals is one of the largest in the world. the further north you go the more gold also. Exploration permits in Kooch county were the highest ever. good read on the mn dnr website of all the companies who bought exploration permits and what counties they are in.
Company is out and about talking to everyone, you can even call them yourselves and set up tours of facilities. They have been doing walkthroughs of the facility for the last couple of years for young and old.