This chronology is under construction, and incomplete.

Northwestern Plains Projectile Point Type Chronology

Point Typology

The following sources were used as a reference to create this chronology:

Frison, G. C. 1978   Prehistoric Hunters of the High Plains. Academic Press, New York.

Greiser, Sally T. 1984   Projectile Point Chronologies of Southwestern Montana.  Archaeology in Montana Volume 25, Number 1 : pp 35-48.

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