Historical Marker
Howard Pinkley
Historical marker location:
2250 Shoreland Ave, Toledo, Ohio
( Marker is on Shoreland Avenue, 0.1 miles north of Engel Boulevard, on the right when traveling north.)
April 20, 1927 - September 1, 2012.
The Great Serpent Mound, located in Adams County, Ohio, is a prehistoric effigy mound in the shape of a serpent that is more than 1,300 feet long. It is one of the largest effigy mounds in the world and is estimated to have been built by the Adena culture more than 1,000 years ago.