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  1. Account of an expedition from Pittsburgh to the Rocky mountains : performed in the years 1819 and '20, by order of the Hon. J.C. Calhoun, sec'y of war ; under the command of Major Stephen H. Long /
    By: James, Edwin, - Long, Stephen Harriman, - Peale, Titian Ramsay, - Say, Thomas, - United States.
    Publication info: Philadelphia :H.C. Carey and I. Lea,1822-23.
    Contributed by: United States Geological Survey
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  2. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. J.C. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party /
    By: James, Edwin, - Adams, John, - Long, Stephen Harriman, - Say, Thomas,
    Publication info: Philadelphia :H.C. Carey and I. Lea ...,1823.
    Contributed by: John Adams Library at the Boston Public Library (archive.org)
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