Wheeler, G.M., 1889, Explorations and surveys--1857-1880, in Report upon United States Geographical Surveys West of the One Hundreth Meridian, in charge of Capt. Geo. M. Wheeler. V. 1, Geographical report. Ap. F, Memoir of explorations and surveys, etc., Part 3: Washington, D.C., U.S. Government Printing Office, p. 599-745 [Ap. F also published separately].