Raddatz Side-Notched Iowa – Arrowhead & Projectile Point Identification

Culture: Late Archaic

Time period: 5,000–3,500 uncalibrated BP (Upper Mississippi Valley estimate)

Region: Iowa Great Plains

Material: Prairie du Chien chert, various cherts chalcedonies

Raddatz points occur across the Midwest, including the Upper Mississippi Valley. These spear points have side notches, with bases ranging from nearly straight to inward-curving. The Mississippi Valley Archaeology Center gives a regional age range of 5,000–3,500 BP in its explicitly uncalibrated chronology. This is a type estimate, not a direct date for an individual artifact.

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