Territory of the United States from the Mississippi River to the Pacific Ocean : originally prepared to accompany the reports of the explorations for a Pacific railroad route ; made in accordance with the 10th & 11th sections of the Army Appropriation Act of March 3rd 1853 ; compiled from authorized explorations and other reliable data / by Lieut. G. K. Warren, Top'l. Eng'rs in the Office of Pacific R.R. Surveys War Dept. under the direction of Bv't. Major W.H. Emory, Top'l Eng'rs in 1854 ; Capt. A.A. Humphreys, Top'l Eng'rs in 1854-1858 ; Recompiled and redrawn under the direction of Chief of Corps of Engineers / by Edward Freyhold 1865-66-67-68
At head of title: "Headquarters Corps of Engineers, War Department." For another copy see RB 127677; for the top half of the original 1857 map on which this is based, see RB 49791; for a reduced reproduction of the original 1857 map, see RB 342277. Cover has sticker from Henry R. Wagner's library. Submap: Territory of Alaska ceded by Russia to the United States 1868. Authority Table. Prime meridian: GM. Relief: hachures. Graphic Scale: Miles. Projection: Polyconic. Printing Process: Lithography. Verso Text: MS notes: 43236 Maps -US U. S. Eng Dept. ... Terr. of the U.S. N.Y. 1868.
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