Buffalo land: an authentic narrative of the adventures and misadventures of a late scientific and sporting party upon the great plains of the West [microform]: By W.E. Webb, published in 1872. Located in Government Publications, Maps, and Microforms, 3rd floor, Brooks Library. Call number: MH-351, LAC 13349.
John Wesley Powell Collection (University of Utah): This collection comprises reports on the Powell expedition down the Colorado River in 1869.
The journals of Patrick Gass : member of the Lewis and Clark Expedition: Located in CWU Archives, 4th floor, Brooks Library. Call number: F592.5 .G2 1997.
Journals of the Lewis and Clark Expedition: Located in CWU Archives, 4th floor, Brooks Library. Call number: F592.4 2002.
Mountain Men and the Fur Trade: This site provides diaries, narratives, correspondence, photos, and maps revealing the history, traditions, tools, and mode of living, of trappers, explorers, and traders in the West.