Note 13 — Chapter IX · KINDS OF BOATS USED ON THE MISSOURI.
Reading edition
A noted steamboat that ran on the lower river during a portion of the fifties was the Felix X. Aubrey. Between the smokestacks was the figure of a man riding at full speed on horseback. The reference was to a horseback ride, very celebrated in its day, from Santa Fe to Westport, where Kansas City now stands. In the year 1853 Felix X. Aubrey made this ride in five days and thirteen hours. The distance was 775 miles.