This aquatint (Vignette XII) is from Bodmer's original watercolor drawn on May 7, 1833. On the way to the abandoned military post of Fort Atkinson in the vicinity of present day Fort Calhoun, Nebraska they passed the spot pictured here by Bodmer. Blackbird Hills commemorates a chief of the Omahas who had insisted on being buried in a mound seated upon a mule. The mounted Omaha warrior in the river is watering his horse. The plate mark is 12.3" x 9.2" and paper is sized 17.9" x 12.3", with the original embossed stamp: "C. Bodmer" below the title.