Trefoil Earthworks
Trefoil Earthworks is located near the confluence of Paint Creek and Massie Run just west of Bainbridge Ohio.
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Approximate location
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Miami Fort
Colrain
Butler Co Circle
Pleasent Run
Fortified Hill
Line Hill
Alexandersville
Cincinnati
Mariemont
Turner Group
Camden
Milford
Fosters
Stubbs
Fort Ancient
Perintown
Stonelick
Batavia
Elklick
Eastfork
Colrain
Butler Co Circle
Pleasent Run
Fortified Hill
Line Hill
Alexandersville
Cincinnati
Mariemont
Turner Group
Camden
Milford
Fosters
Stubbs
Fort Ancient
Perintown
Stonelick
Batavia
Elklick
Eastfork