U.S. geographical surveys west of the 100th meridian part of southern New Mexico, atlas sheet no. 84 (B) [cartographic material] / under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineer, U.S. Army.Geographical Surveys West of the 100th Meridian (U.S.)[1878]"10"--Verso."Weyss, Lang and Herman, del."-Differs from 1879 map of identical title in that eastern relief missing on this map and type/text size smaller around margins.Relief shown by hachures and spot heights. Relief not shown on eastern half of map.cartographic