This is what I have so far. I combined since there was not much on the list I made up. Any corrections or additions welcome.
Greg
1962
May 27, 1962 487 with plow Alam-Durango RMRRC
May 28, 1962 473 RMRRC trip DGO-Silverton
May 29, 1962 487(helper was 491) RMRRG Trip DGO-Alamosa 11 cars
****Another photo shows the 2 engines on May 31, 1962??? at Chama 491 leads 487
Sept. 28-30, 1962 - #483 Alamosa-Durango, #47? to Silverton, #483 Durango-Alamosa w/ #487 Chama-Cumbres.
1963
May 30, 1963 488 Ala-Durango RMRRC 12 cars
May 31, 1963 478 Photo Silverton RMRRC 12 cars
June 1 1963 488 RMRRC Eastbound to Alamosa 498 helper Chama-Cumbres