I Do! That's my home state. You can find chips from Seven Clans, Thief River Falls on eBay right now. The seller is t-birdernie (not me), click on link, below, to see his auctions. He might also have some of the other chips you are looking for.

You can find a $5 HHR mold Grand Portage chip on eBay frequently, one is listed right now.