Original Journals of the Lewis and Clark Expedition: 1804-1806; Parts 1 & 2 Volume 2 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 2 Part 1; Journal and Orderly Book of Lewis and Clark, from Two-Thousand Mile Creek to the Great Falls of the Missouri. May 6 - June 20 1805 Volume 2 Part 2; Journal and Orderly Book of Lewis and Clark, from the Great Falls of the Missouri to the Shoshoni Camp on the Lembi River. June 21 - August 20, 1805