(Title Page to) Topographical Atlas Projected To Illustrate United States Geographical Surveys West Of The 100th Meridian Of Longitude Prosecuted In Accordance With Acts Of Congress Under The Authority Of The Honorable The Secretary Of War, And The Direction Of Brig. Genl. A.A. Humphreys, Chief Of Engineers, U.S. Army. Embracing Results Of the Different Expeditions Under The Command Of 1st Lieut. Geo. M. Wheeler, Corps Of Engineers. Julius Bien, lith.
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