This catalog-backed guide explores projectile point references that explicitly mention Minnesota. It is an identification starting point, not a record of private finds or archaeological site locations.
Oneota (1,000-1,650 CE): Agricultural villages, ancestors of Dakota and other peoples
How to Identify a Minnesota Arrowhead
Compare the base, stem, notches, flaking, material, and overall outline with the linked type guides. Similar point styles can span neighboring regions and long periods, so provenance and expert review still matter.