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"Miami River Pentagons; Ohio Flint Types by Robert N Converse"
"The base has the usual rounded corners and has moderate basal grinding. The barbs are pronounced but rounded. These points may have a pentagonal outline but on some the sides are nearly straight. They are usually well chipped by both percussion and pressure and have a lenticular blade. Most are from 1 1/4 to 2 1/2 inches long. Over 90% of them are made of Logan County chert"
Miami River Pentagons are from the Late Archaic period.
Photos and information provided courtesy of Fldwlkr.
"The base has the usual rounded corners and has moderate basal grinding. The barbs are pronounced but rounded. These points may have a pentagonal outline but on some the sides are nearly straight. They are usually well chipped by both percussion and pressure and have a lenticular blade. Most are from 1 1/4 to 2 1/2 inches long. Over 90% of them are made of Logan County chert"
Miami River Pentagons are from the Late Archaic period.
Photos and information provided courtesy of Fldwlkr.