MADISON

Description: small, thin triangular points;  equilateral or isoceles in outline;  straight or concave base with blade edges being straight in nearly 75% of known samples
Size Range:  1.3 cm - 6.1 cm, the majority of which average approximately 2.5 cm
Cultural Affiliation: Late Woodland to Early Historic periods, the distinctive form of the Iroquois in the Northeast
Distribution: Eastern United States and southeastern Ontario

Reference
Ritchie, William A. (1971).  A Typology and Nomenclature for New York Projectile Points.  Bulletin
    Number 384.  New York State Museum Division of Research and Collections.  The University of
    the State of New York.  The State Education Department.