Issue: #16
Captain Barrows of steamship "Daisy Belle" and Captain Lowriver, of "Asbestos D. Plower", decide to put an end to their arguments by racong along the Mississippi. The winner will have the monopoly of ship transport. Both of them ask Lucky Luke for help against the dirty tricks of each other.
Creators: Morris, René Goscinny
Characters: Jolly Jumper, Lucky Luke