Rio Grande eastbound California Zephyr behind PA1 6001, PB-1 6002 and PA-1 6003 near Glenwood Springs, Colorado on July 18, 1951. Rio Grande PA's carried this silver and orange paint from late 194... (more)

Rio Grande eastbound California Zephyr behind PA1 6001, PB-1 6002 and PA-1 6003 at Glenwood Canyon on August 23, 1958. Photo from my slide collection, no photographer listed on slide.

The eastbound California Zephyr exits Byers Canyon.

Let by multi-stripe PAs, the westbound California Zephyr plunges out of the Moffatt Tunnel. The F units would soon replace the PA's as the normal power on these trains, and the multiple stripes w... (more)