'The Great Serpent Mound near Hillsboro in this state is an ancient Indian burial site'
Ohio
U.S. STATES: The Great Serpent Mound near Hillsboro in this state is an ancient Indian burial site
The Great Serpent Mound near Hillsboro in this state is an ancient Indian burial site
The Great Serpent Mound near Hillsboro in this state is an ancient Indian burial site
U.S. STATES
Ohio
U.S. STATES