Snow-crowned Mount Moran dominates the horizon across the glassy expanse of Jackson Lake in this vivid linen-era promotional card — a Union Pacific Railroad advertisement disguised as a souvenir, issued around 1929 to lure travelers westward on the Overland Route through Victor, Idaho. The card's rich turquoise water, dense treeline of lodgepole pines along the shore, and cottony cumulus clouds above the 12,605-foot peak capture the idealized grandeur that the railroad's marketing department sold to a generation of Depression-era travelers dreaming of escape. The back copy promises that "Union Pacific is the direct route to Grand Teton National Park and to Jackson Hole, the famous Dude Ranch country adjacent to it" — a rare glimpse into how railroads actively shaped America's national park tourism culture in its earliest decades.