Drawing by Vischer of a Pony Express mail stage "crossing the plains," ca.1860-1865

Photograph of a drawing by Edward Vischer of a Pony Express (Overland) mail stage crossing the plains, ca.1860-1865. A man on horseback races toward the fast stage drawn by four horses. A wagon train of four covered wagons, each drawn by teams of six horse, is visible in the background. A collapsed covered wagon, with two dead horses still hitched, lays in the foreground. A telegraph line passes overhead