A Mysterious Map of Louisiana SUSAN SCHULTEN Think mapping data is new? The Union Army was doing it in Louisiana 150 years ago. May 25, 2014 at 4:00AM http://nyti.ms/1no0T3T http://nyti.ms/1tbci4v The New York Times Opinion Civil War (US) (1861-65), Maps, Slavery

By SUSAN SCHULTEN via NYT / Eethg. Corps. Inc. / Terrence Herschel G. Opinion http://nyti.ms/1no0T3T A Mysterious Map of Louisiana May 25, 2014 at 4:00AM http://nyti.ms/1tbci4v The New York Times