The “Genius of Corvallis” hoped his cattle-powered riverboat would give the upper-Willamette sternwheelers a run for their money; and so it did, so long as it didn't try to go upstream... (Corvallis, Benton County; 1850s) (For text and pictures, see https://offbeatoregon.com/1706c.cow-powered-riverboat-hay-burner-448.html)