sentences:  After breaking camp in the morning, the carters set out across the prairie; transits of the unprotected open prairie between places of refuge were known as "".Streams often had to be forded; where the water was too deep, the carts were unloaded, the wheels were taken off and lashed together or affixed under the cart, the assemblage was covered with hide to form a hull, and the makeshift craft was reloaded and floated across.The traders endeavoured to ford a stream at the end of the day rather than start the next day with the crossing, to allow time to dry out overnight.