Town Square Marker, Madison GA This marker is located on Town Square, Main St. at Jefferson St., Madison, Morgan County, GA The text reads as : Reserved for public use in the original 1809 town plan, the public square is also used to establish the early town limits, first drawn as a half-mile radius (1822) and then as a mile radius (1849). This method formed circular town boundaries; a common early town planning technique in Georgia. The square has also been in continuous use as public property-County Courthouse (1st c.1810-1844; 2nd 1845-1907), City Hall (1909-1916), Town Park (1917-1930), and U.S. Post Offices (1931). A year later, the city sold the property to the federal government but negotiated its use is a part until construction c...