This is a set of five maps published by the United States Department of the Interior National Parks Service. The first details troop movements during the Battle of Blackburn’s Ford on 18 July 1861. The last four move the troops during the Battle of First Manassas on 21 July 1861, in four phases: 2:00AM to 10:00Am; 10:00AM to noon; noon to 2:00PM; 2:00PM to 4:00PM; and 4:00PM until dark. Each map measures 20 ½” x 14 1/2 “ and are in new condition.