https://www.loc.gov/resource/g4051p.tr000221/?r=-0.068,-0.177,1.111,0.693,0
Library of Congress
Pony express route; 03 April 1860 – 24 October 1861. LOC.
Pony express route; 03 April 1860 – 24 October 1861. LOC.
https://www.loc.gov/resource/g4051p.tr000221/?r=-0.068,-0.177,1.111,0.693,0