The chuck wagon, alongside a crabby cook griping and waving a spoon or knife at cowboys, is a common feature in many Western movies and has long been associated with the cowboy life and trail rides.

LAKE ARTHUR — On a chilly January morning, a procession of mules, horses and wagons crosses the Cajun prairie. In the front, two riders in leather chaps and felt hats lead the way. By afternoon, the ...