Affluent passengers posing on the observation platform of the Northern Pacific Railway's Yellowstone Comet. During the tourist seasons in the 1920s, the second section of the westbound North Coast Limited, and the eastbound Alaskan passenger trains were renamed the Yellowstone Comet, providing direct Pullman service to Yellowstone National Park from Chicago and Seattle. In 1883, the Northern Pacific completed a branch from their mainline at Livingston, Montana, to Gardiner, the northern gateway to Yellowstone. Throughout its history, the line promoted park tourism and for many years, the wealthy preferred to arrive by sleeping car. Private automobiles soon cut into the railroads' passenger business, but today, many parks are studying improved rail service to relieve congested wilderness roads. This photo appears on p. 32 of More Classic Trains by Arthur Dubin (Kalmbach, 1974).