Original caption: Hitchhiker with His Dog, "Tripper," on U.S. 66. U.S. 66 Crosses The Colorado River At Topock: 05/1972
U.S. National Archives' Local Identifier: NWDNS-412-DA-6626
January 23, 2013 9:35 AM PST
Photo by: The U.S. National Archives
| Caption by: James Martin