Relief shown by hachures and spot heights.; "Atlas sheet no. 83."; "Issued Mar. 18th 1876."; "Expeditions of 1871 & 1873 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army."; "Weyss, Herman & Lang, del." 37 x 52 centimeters Scale 1:506,880; 1 inch to 8 miles. General Map Collection