McCoy Corner Notched named after work at the Silver Creek Site I in the La Crosse River Valley of west-central Wisconsin. Monona Stemmed named at the Blackhawk Village Site, near Madison, Wisconsin. Diagnostic of the Millville Phase in southwestern Wisconsin. Common throughout Illinois, Missouri, Iowa, and southern Wisconsin. Small to medium spear points.
Blades are triangular with convex edges.
Shoulders are straight to sloping. Basal edge is straight to slightly convex while stem edges are side notched and concave. Stems expand from the shoulder to the base and account for approximately of the point's length. Notches are usually longer than wide. Basal edges are rarely ground.