Chapters ix, x, and xi, General Description of the Country, and Observations on the Mineralogy and Geology, reprinted from Volume III of London edition, 1823 Calculations of Observations by Long and Swift, reprinted from Part II, Volume II, Philadelphia edition, 1823 Vocabularies of Indian Languages, by Say, reprinted from Volume II, Philadelphia edition, 1823
EXPEDITION FROM PITTSBURGH TO THE ROCKY MOUNTAINS [PART IV] |