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ArgyleMJH: Crown Point Orwell Limestone
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ArgyleMJH: Maclurites fossils
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ArgyleMJH: Crown Point Orwell Limestone
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ArgyleMJH: Middle Ordovician Nautiloid fossil
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ArgyleMJH: Crown Point skeletal packstone (limestone)
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ArgyleMJH: Crown Point "burren"
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ArgyleMJH: Crown Point "burren"
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ArgyleMJH: Middle Ordovician Stromatoporoid?
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ArgyleMJH: Middle Ordovician Nautiloid fossil
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ArgyleMJH: Orwell Limestone
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ArgyleMJH: Fractures in Limestone
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ArgyleMJH: Rugose corals
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ArgyleMJH: Crown Point Limestone
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ArgyleMJH: Parade Ground, "His Majesty's Fort at Crown Point"
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ArgyleMJH: "His Majesty's Fort at Crown Point"
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ArgyleMJH: Officer's Barracks
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ArgyleMJH: Ruins of Officer's and Soldier's Barracks, "His Majesty's Fort at Crown Point"
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ArgyleMJH: Barracks fire place, "His Majesty's Fort at Crown Point"
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ArgyleMJH: Early "graffiti" at "His Majesty's Fort at Crown Point"
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ArgyleMJH: Barracks at "His Majesty's Fort at Crown Point"
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ArgyleMJH: Middle Ordovician Valcour Limestone
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ArgyleMJH: Ruins of "His Majesty's Fort at Crown Point"
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ArgyleMJH: Parade Ground of "His Majesty's Fort at Crown Point"
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ArgyleMJH: Valcour Limestone
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ArgyleMJH: "His Majesty's Fort at Crown Point" and Lake Champlain
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ArgyleMJH: "His Majesty's Fort at Crown Point" and Lake Champlain
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ArgyleMJH: "His Majesty's Fort at Crown Point" and Lake Champlain
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ArgyleMJH: Ruins of "His Majesty's Fort at Crown Point" and Lake Champlain
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ArgyleMJH: His Majesty's Fort at Crown Point
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ArgyleMJH: Middle Ordovician Chazy Limestone