Especially the world of the river boats, and the people you meet on them.
The river boats carry an average of about 40,000 passengers per day.
He won $150 in his first few minutes on board before the river boat had even left the dock.
After a year's work, he took the river boat down to Calcutta.
In addition, the French had sunk all the river boats.
Others simply argue that Chicago should get one or more river boats into the water, and worry about related development later.
The river boats can get you in there with no trouble.
Passage can be bought on one of the river boats.
This forced the Chinese to use any available ships, including river boats.
They even went to Mississippi and were employed on the river boats.