The Osage were described in detail by Lewis on pages 10-15 of the report he sent to Thomas Jefferson a few months later; see American Journeys (document AJ-090). An Osage warrior painted about 1830 by George Catlin is pictured on the left in plate 1 of Catlinís Portfolio in American Journeys (document AJ-118).
Thursday may 31th 1804
[The expedition encountered coming downstream...] one perogue Loaded with Bare Skins and Beav[er] and Deer Skins from the osoge [Osage] village, one osoge woman with them. our hunters went out and Kild one Deer. we Lay By all this day on acount of the Wind. the Land is Good, but Broken. it Rained and Cleard up. nothing worth Relating to day.