Search

Start Over Author Geographical Surveys West of the 100th Meridian (U.S.) Year 1878 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. 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].

Maps University Of Michigan Public content
1878. Dahl, James, former owner, Geographical Surveys West of the 100th Meridian (U.S.), Hamel, P. W., topographer, Humphreys, A. A. (Andrew Atkinson), 1810-1883, Nell, Louis, topographer, and Wheeler, George M. (George Montague), 1842-1905. Relief shown by hachures and spot heights. Prime meridian: Washington. Shows exploration routes, state borders. At lower left: "Issued Feb. 4th, 18...

2. Part of south western Colorado

Maps University Of Minnesota Public content
1878. Geographical Surveys West of the 100th Meridian (U.S.). Relief shown by hachures and spot heights.; "Atlas sheet no. 61(D)."; "Issued Jan. 10th 1878."; "Expeditions of 1873, 74, 75 & 76 under the command... U.S. Geographical Surveys West of the 100th Meridian (Washington, D.C).