Diagnostic Artifacts

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

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Artifact Gallery

Brewerton Corner Notched

Image of stone projectile point made of Quartzite, Corner-Notched shape, with a Straight stem, Excurvate blade, and Straight base shape. Brewerton Corner Notched type.

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18FR93 Jefferson I Brewerton Corner Notched corner-notched quartzite excurvate blade straight stem straight base Late Archaic Period

Brewerton Corner Notched

Image of stone projectile point made of Quartzite, Corner-Notched shape, with a Straight stem, Excurvate blade, and Straight base shape. Brewerton Corner Notched type.

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18FR93 Jefferson I Brewerton Corner Notched corner-notched quartzite excurvate blade straight stem straight base Late Archaic Period

Jacks Reef Pentagonal

Image of stone projectile point made of Chert/Flint, Pentagonal shape, with a N/A stem, Incurvate blade, and Concave base shape. Jacks Reef Pentagonal type.

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18FR93 Jefferson I Jacks Reef Pentagonal pentagonal chert/flint incurvate blade N/A stem concave base Middle Woodland Period

Normanskill

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

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18FR93 Jefferson I Normanskill side-notched chert excurvate blade expanding stem straight base Late Archaic Period