Because of the 1951 emergency all diesels were pressed into service pulling the back log from CA east.
Very unlikely that any steamers went east over the Q at that time.
After 1953 steam was rare on the Joint Line.
I am uncertain as to who crewed the detoured diesels over the Q in 1951. My guess would be ATSF enginemen with a CB&Q crew acting as pilots.
Part of the negotiations were not only between the ATSF and the CB&Q, but also between the local committees of the engineers, firemen and trainmen. No wonder it took time to organize the detours.
I am not aware of images of ATSF steamers on the Q.
Having said that I can say that ATSF steamers sometimes ran over the C&S's Denver-Colorado Springs line.
Given the close relationship between the ATSF and the CB&Q, and given that emergencies did sometimes arise, it is possible that ATSF steamers did run over the Q.
In Superior NE, ATSF engines ran over CB&Q tracks for a short distance switching and turning t rains.
Incidentally, C&S engine men ran ATSF steamers, as called, over the Joint Line in the early years due to the unique Joint Operating Agreement and the labour agreements in force at the time. And ATSF crews C&S trains.
Thank you all for your excellent contributions to date. :-)
Oh, yes. Otto Perry's "Santa Fe" is on CD. Mostly diesels but many steamers; exceptional photography!
Mark