37 x 49 cm. Relief shown by hachures and spot heights. "Atlas sheet no. 61(C)." "Expeditions of 1874 & 1875 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." "Louis Nell, del." "By order of the honorable the Secretary of War." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 2 miles or 1: 126720.

37 x 49 cm. Relief shown by hachures and spot heights. "Atlas sheet no. 69(B)." "Issued Jan'y 8th 1878." "Expeditions of 1874-1875 & 1877 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." Prime meridians: Greenwich and Washington, D.C. "Weyss, Lang & Herman, del." "By order of the honorable the Secretary of War." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.

37 x 50 cm. Relief shown by hachures and spot heights "Atlas sheet no. 77(B)." "Issued May 7th 1877." "Expeditions of 1871 & 1786 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." "Weyss, Herman & Lang, del." "By order of the honorable the Secretary of War." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." "2nd. Ed. June 30th, 1881." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.

37 x 49 cm. Relief shown by hachures and spot heights. Prime meridians: Greenwich and Washington, D.C. "Atlas sheet no. 70(A)." "Issued May 7th, 1877." "Expeditions of 1874, 1875 & 1876 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineer, U.S. Army." "Weyss, Herman & Mahlo, del." "By order of the honorable the Secretary of War." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.

90 x 71 cm. Relief shown by hachures. In bottom margin: "Julius Bien, Lith." "Note. This map has been constructed from atlas sheets of the U.S. Geographical and Geological Survey of the Rocky Mountain Region with additional material taken from the maps of the U.S. Geographical Explorations and Surveys west of the 100th meridian, Lieut. Geo. M. Wheeler, Corps of Engineers, in charge ; the U.S. Geological Exploration of the 40th parallel, Clarence King, U.S. Geologist in charge ; and the U.S. Geologial and Geographical Survey of the Territories, F.V. Hayden, in charge." At head of title: Department of the Interior, U.S. Geographical and Geological Survey of the Rocky Mountain region, J.W. Powell in charge. Original publisher unknown.

At head of title: 'North America, sheet XV.' 'Published under the superintendence of the Society for Diffusion of Useful Knowledge.' At bottom center of map:'London, Charles Knight, Jany. 1st, 1852.' At bottom right of map: ' J. & C. Walker Sculpt.' Scale [1:7,500,000] 1 degree to 68.89 English miles (W 125°--W 92°/N 43°30?--N 22°30?). Relief shown by hachures. Atlas page number in lower margin: 144. Boundaries hand colored. Includes notes, locations of Indian tribes, population statistics. Charles Knight.

38 x 52 cm. "Topography: Colorado & Utah: U.S. Geolog. Survey Territories, Prof. Hayden in charge and from personal notes & obs--Wyoming: maps, General Land Office & personal notes." "October, 1878." Includes other wagon roads, trails, rivers, ranches, Indian agencies and military reservation. "Drawn by Lieutenant C. A. H. McCauley, 3rd Artillery." "Sen. Ex. Doc. No. 62, 45th Congress 3rd Sess." Original publisher: GPO, Series: Sen. ex. doc no. 62, 45th Congress, 3rd session.