Diagnostic Artifacts

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

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Artifact Gallery

Brewerton Side Notched

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

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18CR92 Heise #20 Brewerton Side Notched side-notched argillite straight blade expanding stem straight base Late Archaic Period

Clagett

Image of stone projectile point made of Rhyolite, Stemmed shape, with a Expanding stem, Excurvate blade, and Concave base shape. Clagett type.

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18CR92 Heise #20 Clagett stemmed rhyolite excurvate blade expanding stem concave base Late Archaic Period

LeCroy

Image of stone projectile point made of Rhyolite, Bifurcate shape, with a Expanding stem, Straight blade, and Bifurcate base shape. LeCroy type.

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18CR92 Heise #20 LeCroy bifurcate rhyolite straight blade expanding stem bifurcate base Early Archaic Period

Susquehanna Broadspear

Image of stone projectile point made of Rhyolite, Stemmed shape, with a Straight stem, Straight blade, and Concave base shape. Susquehanna Broadspear type.

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18CR92 Heise #20 Susquehanna Broadspear stemmed rhyolite straight blade straight stem concave base Late Archaic Period