Topographical map of the Yosemite Valley and vicinity. U.S. Geographical Surveys, west of the 100th Meridian, part of east central California. Expedition of 1878-79 under the command of Cap. Geo[rge] M. Wheeler, Corps of Engineers, U.S. Army. (Preliminary edition)
U.S. Geographical Surveys West of the 100th Meridian. Photo litho. Britton & Rey S. F.