Cottonwood Triangular Idaho – Arrowhead & Projectile Point Identification

Cottonwood Triangular Idaho projectile point

Culture: Late prehistoric regional traditions

Time period: Late prehistoric (regional chronologies vary)

Region: Idaho Western

Material: Local varieties, obsidian

Cottonwood Triangular is an unnotched triangular point type documented in Idaho and the Great Basin. Idaho State University discusses it among Late Prehistoric types alongside Rosegate and Desert Side-Notched forms; these distinct types do not establish one universal sequence of shape change.

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