Southern Pacific Railroad 'SP' class 4-10-2s No. 5045 (pilot) and unidentified classmate (train).

Built by Alco of Schenectady in 1927 as a class of 49 locomotives, all withdrawn by 1954. A pair of 'SP' 4-10-2s are heading a substantial freight train in November 1938 alongside Lincoln Boulevard highway in Los Angeles.

© Steve Armitage Collection