Lucky Luke - Volume 79 - Steaming Up the Mississippi

Passing through New Orleans, Lucky Luke stumbles upon a heated argument
between two steamboat captains. The argument soon turns into a wager:
whichever boat reaches Minneapolis first after steaming up the Mississippi
will win the exclusive rights to the route. Captain Barstow quickly invites
Luke to travel on his Daisy Belle, fearing that his opponent will cheat. And
while he’s not wrong, the biggest danger to both boats remains Old Man River
himself …