Map of the battle fields of the Tolopotomoy, and Bethesda Church : showing the field of operations of the Army of the Potomac commanded by Maj. Gen. George G. Meade U.S.A., from May 28th to June 2nd, 1864 / surveyed under the orders of Bvt. J.C. Duane, Major of Engineers, Chief Engineer, Army of the Potomac, by Bvt. Maj. C.W. Howell, 1st Lieut. of Engineers ; assisted by Messrs. L.C. Oswell, L. Bell, and R.B. Talfor, topographical engineers ; J. Bien, lith., N.Y. Howell, C. W.