Original Journals of the Lewis and Clark Expedition: 1804-1806; Parts 1 & 2 Volume 6
This set was first published in 1904 from the manuscripts of the American Philosophical Society together with manuscript material of Lewis and Clark and from other sources including notebooks, letters and maps, and the journals of Charles Floyd and Joseph Whitehouse.
Volume 6 Part 1 Scientific Data accompanying the Journals of Lewis and Clark, Geography, Ethnology, Zoology.
Volume 6 Part 2 Botany, Mineralogy, Meteorology, Astronomy and miscellaneous memoranda.