The Saga of the Pony Express, 1860-1861.
Contributors: United States Postal Service.
Publisher: United States Post Office Dept.
Published: 1960
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 16
Subjects: Pony express.; Express service -- United States.; Postal service -- United States.
Notes: "IS-20 (Rev.)."

"U.S. Government Printing Office: 1960-O-557603"--P. 16.