Post #804483 by uncle trav on Sun, Jul 10, 2022 1:31 PM

Thanks Mr. B. It’s classified as a Mississippian Culture disc or flange pipe. Dates range between 700 and 1,000 years old. Made of carved Catlinite which you are correct is most likely traded in as raw material from Minnesota. I have found many arrowheads and small stone tools on the same site.