Campaign maps, Army of the Potomac : Map no. 3. White House to Harrison's Landing / 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.1863no. 3. White House to Harrison's Landing.cartographic