"423" . . . . "Whiteside (formerly Aetna, Etna and Running Water) is an unincorporated community in Marion County, Tennessee, named after James Anderson Whiteside (1803-1861), attorney, Chattanooga railroad promoter and land investor. It lies at an elevation of 807 feet (246 m)."@en . "-6" . "245.974"^^ . . . "Whiteside, Tennessee"@en . "-5" .