A line of conveyance across the Rocky Mountains, used before the Union Pacific Railroad was built. See chaps. xxi., xxii. of Alex. Majorss Seventy Years on the Frontier, 1893.
1860. Are we not receiving news every few days by the Pony Express, that the Lord is fulfilling his word?H. C. Kimball, Nov. 25: Journal of Discourses, viii. 240.
1861. We have now a semi-weekly pony express, in other words, an established northern route to the Pacific.Mr. Milton S. Latham of California, U.S. Senate, Jan. 5: Cong. Globe, p. 258/1.
1861. The American Pony Express, en route from the Missouri River to San Francisco.Illustrated London News, Oct. 12, p. 386. (N.E.D.)
1861. They charge five dollars an ounce for matter carried by the pony express.Mr. Colfax of Indiana, House of Repr., March 2: Cong. Globe, p. 1419.