xxxii, 307 pp. Illustrated with 11 heliotype photograph plates, including frontispiece (one folding); 3 folding plates. Text volume only, atlas volume is not present. (4to) period half red morocco and boards, spine lettered in gilt, (series title on spine reads "U. S. Explorations West of the Mississippi"), marbled endpapers, all edges marbled. First Edition.

Part of the U.S. Geographical and Geological Survey of the Rocky Mountain Region series, under the direction of J.W. Powell. Ex libris Northern Pacific Railway Co. Library with their small ink stamp to verso of front free endpaper and title page, bound for company president Henry Villard (1835-1900) with his name in gilt at spine foot. Villard was a major figure in the transportation industry in the West. He was president of Northern Pacific from 1880-1884 and served on the Board of Directors 1887-93.