Account of an Expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819, 1820 by order of the Hon. J. C. Calhoun, under the command of Maj. S. H. Long / compiled from the notes of Major Long, Mr. T. Say and other gentlemen of the party by Edwin James. London
Description: 3 v. (iii, 344 p., [1] fold. map, [3] leaves of plates; vii, 356 p., [3] leaves of plates; vii, 347 p., [2] leaves of plates, [1] fold. leaf) : ill. (some col.), map, plan. INTERNET LINK: Vol. 1: http://books.google.co.ug/books?id=nP1jAAAAMAAJ&printsec=frontcover#v=onepage&q&f=false; vol. 2: http://books.google.com/books?printsec=frontcover&pg=PA256&id=ys5jAAAAMAAJ#v=onepage&q&f=false; vol. 3: http://books.google.com/books?id=Upo-AAAAYAAJ&printsec=frontcover#v=onepage&q&f=false Philadelphia edition & London edition differ substantially in several aspects, especially to taxonomic contributions. For the date, see: N. Woodman, Arch. Nat. Hist. 37(1): 28-38. 2010. DOI: 10.3366/E0260954109001636