The basic Cahokia preform resembles the Madison type in manufacture. Cahokia double notched, triple notched, multiple notched and serrated. Points are small to medium projectile points. Thin, well-made points with either straight or triangular converging sides. Exhibit numerous patterns of notching but characteristically have a pair of deep sided notches some distance above base.
Notches are perpendicular to the sides rather then parallel to the base.
Cahokia double notched are the most common Cahokia type found in the Upper Mississippi Valley. Heat-treatment may occur. MVAC Educational Programs are supported in part by the National Endowment for the Humanities . This project was supported, in part, by the National Science Foundation . Opinions expressed are those of the authors and not necessarily those of the Foundation.