| Who What Where When | REFINE  Browse All : Atlas Map by U.S. and Graphic Co. Photo-Lith. of Arizona
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       Author [Hamel, P.W., Nell, Louis, Wheeler, G.M.] Full Title Map showing routes of the river and land parties engaged in exploring the Grand Canon of the Colorado. Under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army. 1871. P.W. Hamel and L. Nell, topographers. Issued Feb. 4th 1878. The Graphic Co. Photo-Lith., 30 & 41 Park Place, N.Y. Weyss, Thompson & Lang del. By order of the Honorable the Secretary of War. Under the direction of Brig. Gen. A.A. Humphreys, Chief of Engineers, U.S. Army. (in upper margin:) United States Geographical Surveys West of the 100th Meridian. (1889) Publisher U.S. Author Wheeler, G.M. Full Title Parts Of Eastern Arizona And Western New Mexico Atlas Sheet No. 76. Issued Mar. 18th 1876. The Graphic Co. Photo-Lith. 39 & 41 Park Place, N.Y. Weyss, Herman & Lang Del. Expeditions of 1871 1873 & 1875 Under the Command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army. U.S. Geographical Surveys West Of The 100th Meridian. Publisher U.S. Author Wheeler, G.M. Full Title Parts Of Eastern And SouthEastern Arizona Western And South Western New Mexico. Atlas Sheet No. 83. Issued Mar. 18th 1876. The Graphic Co. Photo-Lith. 39 & 41 Park Place, N.Y. Weyss, Herman & Lang Del. Expeditions Of 1871 & 1873 Under the Command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army. U.S. Geographical Surveys West Of The 100th Meridian. Publisher U.S. 
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