The southwest boundary marker of the Connecticut Western Reserve marks land of the Western Reserve conveyed to the United States on September 11, 1786. It was erected on July 3, 1966 by the Early Settlers Association of the Western Reserve of Cleveland, Ohio, with Joseph A. Holser as president, Clay Herrick, Horace Kerr, and George Seedhouse on the marker committee, and Urban C. Livengood serving as Huron County Engineer.