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 Gentlem
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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 Gentlem
