Second Petersburg Union order of battle (June 1518, 1864) had four divisions one of which was lead by James Ledlie.
The following Union Army units and commanders fought in the Second Battle of Petersburg (June 1518, 1864) of the American Civil War. 2nd Division
BG Adelbert Ames First Division
BG William T. H. Brooks
BG Gilman Marston Second Division
BG John H. Martindale Third Division
BG Edward W. Hinks Cavalry Division
BG August V. Kautz First Division
BG Charles Griffin Second Division
BG Romeyn B. Ayres Third Division
BG Samuel W. Crawford Fourth Division
BG Lysander Cutler First Division
BG James Ledlie Second Division
BG Robert B. Potter Third Division
BG Orlando B. Willcox Fourth Division
BG Edward Ferrero First Division
BG Alfred T. A. Torbert Second Division
BG David McMurtrie Gregg Third Division
BG James H. Wilson Horse Artillery 
