U.S. Geographical Surveys West of the 100th Meridian. Parts of N.E. California & N.W. Nevada, Atlas Sheet no. 38(D). Expedition of 1877 under the command of 1st Lieut. T.W. Symons, Corps of Engineers U.S. Army. Executive Officer & Field Astronomer. By order of the honorable the secretary of war, under the direction of Brig. Get. H.G. Wright, Chief of Engineers, U.S. Army. Dimensions: 24" x 19". Processing and shipping within the Continental US $50 plus a 1.5% replacement cost insurance fee. Discounts given on combined lot shipping. Overall good condition. Please see photos.