Analysis of information sources in references of the Wikipedia article "Lewis and Clark Centennial Exposition" in English language version.
The story of an automobile trip of 4.000 miles in 44 days, from Hell Gate to Portland, is interestingly told in a booklet issued by the Olds Motor Works, of Lansing, Mich. It is a description of the race across the continent in Oldsmobile runabouts, told by Huss and Megargel, who each piloted one of the cars.