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 of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army."; "Weyss, Lang & Herman, del."38 x 49 centimetersJPEGUMN_ALMA:9931941730001701engU.S. Geographical Surveys West of the 100th Meridian (Washington, D.C)PublicPart of south western ColoradoMapsColoradoUniversity of Minnesota