Russ, I have film of this trip from two different sources as well as a bunch of other 844/4 trips in the olden days.
Your trip with 844 was NOT the last one for 844 on November 20th.
It ran as 844 on
5/29-30/61 Cheyenne-Ogden
6/11/61 cheyenne-Rawlins
11/11/61 Cheynne-Ogden, One way, with return on Freight
Side note the engine was ferried on May 28th on Freight for the departure on the 29th(1961)
The next year, the engine was 8444 and first ran on 9/2/62
So keep those quality runby photos handy, cause some guy from Ohio may need a cover shot some day. Got anything from the 50's???
As I recall the trip you rode had a roundend obs car, correct?
Greg Scholl