Description: Tatum Salt Dome, Lamar County (Miss.), nuclear test, October 22, 1964. Chimneys, porches and outbuildings of some residences in the vicinity were braced prior to the blast. As pictured and identified on page one of the October 1, 1946, Hattiesburg American, four-year-old Martha Saul played peek-a-boo behind a chimney brace at her parents' home.