Map Of The United States. Prepared by authority of The Honorable The Secretary Of War, in the Office of the Chief of Engineers under the direction of Brig. General A.A. Humphreys, Chief of Engineers & Bvt. Maj. Gen'l, U.S. Army. Originally Compiled and drawn by E. Freyhold. (inset) West Indies and Isthmus Of Darien. (inset) Territory Of Alaska.