Other crossword clues for answer "PONYEXPRESS"PONYEXPRESSEarly US carrierHorseback postDelivery service of oldOld West conveyanceOld mail systemOld Missouri-to-California mail system19th-century mail systemShort-lived mail systemLegendary mail serviceOld West mail service by fast horsesForerunner of the Iron Horse.Postal route of 1860.Ancestor of airmail.They were seldom left at postIt delivered in the Old WestMail service made obsolete by the transcontinental telegraphEnterprise for which a 14-year-old Buffalo Bill workedEarly mail systemSaddlebags of mail19th-century mail delivery service19th-century mail transportDelivery service of yoreOld West mail systemIts first delivery went from St. Joseph, Missouri, to San Francisco (1860)