Diagnostic Artifacts

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

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Artifact Gallery

Clovis

Image of stone projectile point made of Jasper, Lanceolate shape, with a N/A stem, Excurvate blade, and Concave base shape. Clovis type.

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Surveys-LoisBrownFlutedPoints 18MO Isolated find from Montgomery County Clovis lanceolate jasper excurvate blade N/A stem concave base Paleo-Indian Period

Lehigh/Koens-Crispin

Image of stone projectile point made of Rhyolite, Contracting Stem shape, with a Contracting stem, Straight blade, and Straight base shape. Lehigh/Koens-Crispin type.

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18MOx72 Isolated find from Montgomery County Lehigh/Koens-Crispin contracting stem rhyolite straight blade contracting stem straight base Late Archaic Period