This catalog-backed guide explores projectile point references that explicitly mention North Dakota. It is an identification starting point, not a record of private finds or archaeological site locations.
Woodland (500 BCE-900 CE): Sonota burial mounds along the Missouri
Plains Village (900-1,885 CE): Mandan, Hidatsa, and Arikara villages
How to Identify a North Dakota 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.