68 printed pages from a book
James, Edwin. Account of an Expedition from Pittsburgh to the Rocky Mountains Performed in the Years 1819, 1820. By order of the Hon. J. C. Calhoun, Secretary of War, under the command of Maj. S. H. Long of the U. S. Top. Engineers. Edited by Reuben Gold Thwaites, Vols. 1 and 2. Cleveland, Ohio: The Arthur H. Clark Company, 1905.