%0 Generic %T Account of expedition from Pittsburgh to Rocky Mountains, performed in 1819 and '20, by order of Hon. J. C. Calhoun, Secretary of War; under command of Stephen H. Long, from notes of Major Long, Mr. T. Say, and other gentlemen of exploring party, in 2 volumes, with atlas Vol. II. %U https://ezaccess.libraries.psu.edu/login?url=http://congressional.proquest.com/congressional/docview/t66.d71.w705-6