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Map showing routes of the river and land parties engaged in exploring the Grand Cañon of the Colorado; under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army; P.W. Hamel and L. Nell, Topographers; Weyss, Thompson & Lang del. [i.e. delineator or engraver].
- Wheeler, George M. (George Montague), 1842-1905.,Humphreys, A. A. (Andrew Atkinson), 1810-1883.,Hamel, P. W., topographer.,Nell, Louis, topographer.,Dahl, James, former owner.,Geographical Surveys West of the 100th Meridian (U.S.)
Relief shown by hachures and spot heights. Prime meridian: Washington. Shows exploration routes, state borders. At lower left: "Issued Feb. 4th, 1878." "By order of the honorable, the Secretary of War, under the direction of Brig. Gen. A.A. Humphreys, Chief of Engineers, U.S. Army." Includes table of "dates of camps of river party in 1871." 1 map: 37 x 45 cm. This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.
- Clark Library Map Collections
- Grand Canyon National Park, Arizona, United States
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