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Jack's Reef pentagonal projectile points are stone projectile points manufactured by Native Americans what is now the northeastern United States generally in the time interval of 600-1200. They derive their name from the specimens found at the Jack's Reef site in Onondaga County, New York.
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Description
Jack's Reef pentagonal points are generally about 1 to 1 3⁄4 inches long. They are generally rather thin and pentangular in shape, about one and a third times longer than they are wide. They usually have a straight base. They are generally made from local flints, jasper, quartz and quartzite.
Age and cultural affiliations
They have mostly been dated to within a few hundred years of 900 AD in the early era of the Owasco culture.
Distribution
These points are generally found in the American northeast (New York, Ohio, Pennsylvania, Virginia).