Relief shown by shading and spot heights. Shows survey routes and location of Native American tribes and towns. Includes portions of Colorado and Arizona. Bottom right corner includes text on "Central Gold Region" attributed to Egloffstein. Text in lower margin: "Geographical Institute, Baron F.W. von Egloffstein, No. 164 Broadway, N.York, 1864." From "Report of the Exploring Expedition From Santa Fe, New Mexico, To The Junction of the Grand and Green Rivers of the Great Colorado of the West, In 1859, Under the Command of Capt. J.N. Macomb, Corps of Topographical Engineers" 1 map: 71 x 87 cm This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.