Southern Pacific no. 660 Bay-Window Caboose at the Cuesta Grade near San Luis Obispo behind a set of three Geep helpers on a freight, circa 1956.
Photograph by Robert O. Hale
Southern Pacific no. 660 Bay-Window Caboose at the Cuesta Grade near San Luis Obispo behind a set of three Geep helpers on a freight, circa 1956.
Photograph by Robert O. Hale