It is my understanding that 1932 was the worst winter on Cumbres Pass during the 20th century. As mentioned by Jerry, the date shown for this film (January 25, 1932) appears to be incorrect. The OM showed up on the Cumbres train register four times during January 1932. See below:
January 15, 1932 (Friday)
8:30 AM Extra east Rotary OM, engines 499-491, arrives, outfits, caboose 04990.
9:00 AM Extra east Rotary OM, engines 499-491, departs for Alamosa, outfits, caboose 04990.
7:38 PM Train 116, engines 475-497, arrives, 3 cars. Departs at 7:41 (4 hrs, 1 min late).
9:15 PM Train 115, engine 479, arrives, 6 cars. Departs at 9:18 (10 hrs, 38 mins late).
January 18, 1932 (Monday)
1:25 PM Extra west Rotary OM, engines 499-495, arrives, outfits, caboose 04343.
2:40 PM Extra west Rotary OM, engines 499-495, departs, outfits, caboose 04343.
5:02 PM Train 115, engine 475, arrives, 5 cars. Departs at 5:05 (6 hrs, 25 mins late).
7:50 PM Train 116, engine 479, arrives, 6 cars. Departs at 7:53 (4 hrs, 13 mins late).
January 29, 1932 (Friday)
3:20 PM Extra east Rotary OM, engines 499-494, arrives, outfits, caboose 0526.
5:00 PM Extra west Rotary OM, engines 499-491, departs for Chama, outfits, caboose 0526.
January 31, 1932 (Sunday)
6:10 AM Extra east Rotary OM, engines 499-494, arrives, outfits, caboose 0526.
7:35 AM Extra east Rotary OM, engines 499-494, departs for Alamosa, caboose 0526.
2:20 PM Extra west Rotary OY, engines 492-490, outfits, arrives, caboose 0503.
2:25 PM Train 115, engine 472, arrives, 6 cars. Departs at 2:28 (3 hrs. 48 mins late).
3:45 PM Extra west Rotary OY, engines 492-490, outfits, caboose 0503, departs for Chama.
4:05 PM Extra west 464-491 arrives, 29 loads, 4 empties, 875 tons, caboose 04343. (464 has large pilot mounted wedge plow.)
4:20 PM Extra west 464 departs light. 4:35 PM Extra west 491 departs, 29 loads, 4 empties, 875 tons, caboose 04343.
6:25 PM Train 116, engine 479, arrives, 5 cars. Departs at 6:27 (2 hrs, 47 mins late).
(Rotary OM with 499-494 departed Chama 3:15 AM. Rotary OY with 492-490 departed Alamosa 3:30 AM.)
This is a rehash of info I posted back in 2006.