1. Campaign maps, Army of the Potomac / prepared by command of Maj. Gen. George B. McClellan [under Creator: Abbot, Henry L Published / Created: 1862] Call Number: 783hc 1862F Container / Volume: BRBL_00511 Image Count: 3 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Campaign maps, Army of the Potomac / prepared by command of Maj. Gen. George B. McClellan [under direction of] A.A. Humphreys, Brig. Gen. and chief of Top. Engrs. ; compiled by Capt. H.L. Abbot, Top. Engrs., September 1862 ; photographic reduction by L.E.