Diagnostic Artifacts

An online guide to artifacts from the Middle Atlantic by the Maryland Archaeological Conservation Laboratory

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Artifact Gallery

Brewerton Eared Triangle

Image of stone projectile point made of Rhyolite, Triangular shape, with a N/A stem, Straight blade, and Straight base shape. Brewerton Eared Triangle type.

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18CR135 Heise #110 Brewerton Eared Triangle triangular rhyolite straight blade N/A stem straight base Late Archaic Period

Brewerton Side Notched

Image of stone projectile point made of Argillite, Side-Notched shape, with a Expanding stem, Excurvate blade, and Concave base shape. Brewerton Side Notched type.

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18CR135 Heise #110 Brewerton Side Notched side-notched argillite excurvate blade expanding stem concave base Late Archaic Period

Lamoka

Image of stone projectile point made of Rhyolite, Side-Notched shape, with a Expanding stem, Excurvate blade, and Straight base shape. Lamoka type.

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18CR135 Heise #110 Lamoka side-notched rhyolite excurvate blade expanding stem straight base Late Archaic Period