Land classification map of part of South Eastern Idaho : atlas sheet no. 41(B) / U.S. Geographical Surveys West of the 100th Meridian.Geographical Surveys West of the 100th Meridian (U.S.)[1878]"Expedition of 1877 under the command of 1st Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army.""Issued June 30, 1878.""Weyss, Lang, & Herman, Del."From United States Army Corps of Engineers' TopographicalRelief shown by hachures and spot heights.cartographic