English: Illustration (detail) found on a Pony Express map (file Pony Express Map William Henry Jackson.jpg), showing mochilla saddled used by Express riders.
日付
原典
William Henry Jackson Painting, 1861 / detail from image of painting showing route and other illustarted features, courtesy Library of Congress
作者
William Henry Jackson, Artist/Painter Photo image cropped from map image, rendered by Gwillhickers
{{Information |Description={{en|1=Illustration portion of a Pony Express map (filePony Express Map William Henry Jackson.jpg), showing mochilla saddled used by Express riders.}} |Source=William Henry Jackson |Author=William Henry Jackson |Date=1861 |Permi