Engineer Department, U. S. Army. Report Upon United States Geographical Surveys West of the One Hundredth Meridian, In Charge of First Lieut. Geo. M. Wheeler, Corps of Engineers, U. S. Army, Under the Direction of Brig. Gen. A. A. Humphreys, Chief of Engineers, U. S. Army. Published by Authority of the Honorable the Secretary of War, In Accordance with Acts of Congress of June 23, 1874, and February 15, 1875. Vol. VI.- Botany

Washington DC: Government Printing Office, 1878. Original edition. Hardcover. 404pp. Quarto [30 cm] Odd volume. Brown cloth over boards with a gilt stamped title on the backstrip and blind-ruled borders on the covers. Good plus. The extremities are rubbed, and the spine is just a little bit sunned. The front hinge is weak, and there is a glue stained patch on the front pastedown. The text block is cracked at the front and rear, however the text block is still very sturdy. Illustrated with one color plate, and 30 plates in black and white. May require extra shipping costs due to weight. Between 1871 to 1879, under the jurisdiction of the chief of Engineers of the U.S. Army Corps of Engineers, Lt. George M. Wheeler led an expedition to survey the territory west of the One Hundredth Meridian. The survey's main purpose was to create maps of the area for the establishment of future roads, to record natural resources and to document the Native American tribes of the area. The expedition covered much of the western United States including: New Mexico, California, Arizona, Nevada, Utah, Colorado, Idaho, Wyoming and Texas. This volume includes Notes on Economic Botany, and Catalogue of Plants Collected in Nevada, Utah, Colorado, New Mexico, and Arizona with Descriptions of Those Not Contained in Gray's Manual of the Northern U. S., and Vol. V., Geological Exploration of the Fortieth Parallel.