I hunt northern zone as well. You can have an established mineral site. You just can’t put fresh stuff in it 10 days before you hunt and it all has to be soaked into the ground. DNR literally told me I could mix salt and sugar or whatever I wanted with water and pour it out during season, as long as it was all soaked into the ground there was no problem.I'm in the Norther zone and I can't bait. Unless it's a food plot, which I cannot do on this property, every sign of supplemental feeding has to be gone no less than ten days before I hunt the area.