Photograph of Santa Fe's "Queen of the Rails" - the "California Limited" train No. 4 eastbound, headed by Engine No. 2928 - a Northern type 4-8-4 locomotive, and a consist of fourteen standard heavyweight cars- crosses the Canyon Diablo Bridge near Winslow, Arizona. Observe this locomotive's automatic-type, elevating smokestack, designed to increase the up-draft, thereby increasing combustion efficiency in the firebox.
Photograph of "The Grand Canyon State" Southern Pacific's train No. 44 headed by a streamlined mighty Northern type 4-8-4 locomotive, Engine No. 4443 - departing from the Tucson, Arizona Station.