View of motorists with cars parked along road in Wyoming. Handwritten on back: "Automobile travel. Vacation travel through the National Parks became popular for Americans in the early 1920's. This picture, taken in Wyoming, shows automobiles of several makes being used on conducted tours. The cars are (left to right): White gasoline, Buick, two more Whites and an Oldsmobile. Lead car, left, White Steamer; #2 car, left, Buick; #3 car, left, #4 car left, White Steamers; car at right?"
