"......A less than clear shot of either the "David Moffat" or John Evans" sitting on a spur along with the B-7 (today the D&SNG's General William Jackson Palmer) circa 1950.Such as it is, proof that the D&RGW built cars came back to Colorado narrow gauge land as intact cars....."
That pic seems to be taken at Rockwood. I seem to recall reading in Richardson's Narrow Gauge News, that they used one of the RR Fair cars to haul personnel to and from the shooting locations for the movie "Denver & Rio Grande" in 1951.