The German Title "Fort Roupideau, Scott Bluffs," 1851, of This Original Möllhausen Sketch, Reveals Another Rare and Unique Illustration of Frontier History, the Roubidou Trading Post (Nebraska) on the Oregon Trail. The Original Sketch No Longer Exists. Courtesy, the Staatliches Museum, Berlin.
Scanned by Gardner Smith; digitized with permission of
the Kansas State Historical Society.