4-Volumes: Elliot Cous' "History of the Expedition" (1893) 6 Volumes: Reuben G Thwaites' "Original Journals of the Lewis & Clark Expedition" (1903) Lewis and Clark Journal by Sgt. Patrick Gass (1847) The New Found Journal of Charles Floyd (1894) RESOURCES FOR SESSION: Download SESSION 4 SLIDE SHOW (.pdf) Listen to "TO THE PACIFIC" (Session 4) Audio TweetShareShare