Diagnostic Artifacts

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

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Brewerton Corner Notched PP-BCN-005

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 excurvate blade Late Archaic Period quartzite straight base straight stem

Brewerton Corner Notched PP-BCN-006

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 excurvate blade Late Archaic Period quartzite straight base straight stem

Jacks Reef Pentagonal PP-JRP-006

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

Normanskill PP-N-005

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 chert excurvate blade expanding stem Late Archaic Period Normanskill side-notched straight base