1. Campaign maps, Army of the Potomac / prepared by command of Maj. Gen. George B. McClellan Creator: Abbot, Henry L Published / Created: 1862 Call Number: 783hc 1862E 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 ; compilation under the direction of Brig. Gen. A.A. Humphreys, by Capt. H.L. Abbot ; engraved by W.H. Dougal ; Julius Bien & Co., photo lith.