Diagnostic Artifacts

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18CR114 Heise #50 excurvate blade expanding stem Fishtail Late Archaic Period rhyolite stemmed straight base

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18CR114 Heise #50 concave base excurvate blade expanding stem Fishtail Late Archaic Period rhyolite stemmed

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18CR114 Heise #50 convex base excurvate blade Guilford lanceolate Middle Archaic Period N/A stem rhyolite

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18CR114 Heise #50 concave base corner-notched expanding stem Jacks Reef Corner Notched Middle Woodland Period quartz straight blade

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18CR114 Heise #50 excurvate blade expanding stem Middle Archaic Period Otter Creek rhyolite side-notched straight base

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