Rio Grande Excursions for 1960 and 1961

Additions/corrections welcome

1960 RMRRC excursion

May 28 engine 483 Alamosa to Durango, caboose 0574 behind engine
May 29 Silverton branch, engine 473 with engine 478 as helper to Silverton
May 30 engine 491 Durango to Alamosa, engine 476 helper Chama to Cumbres

Below from Russ Sperry
June 3-4-5, 1960 - #476 Alamosa-Durango, #476 to Silverton, #483 Durango-Alamosa w/ #491 Chama-Cumbres.

1961 RMRRC excursion

May 27 engine 488 Alamosa to Durango, consist included 2 cabooses
May 28 Silverton branch engine 478 with 473 as helper to Silverton
May 29 engine 488 Durango to Alamosa, engine 499 helper Chama to Cumbres

Sept 29, 1961 483 Excursion with 483 westbound (Kiwanis Trip most likely)
I believe this is the train my father Warren Scholl rode with pilot plow
But what engines and trips followed the September 29, 1961 to complete that excursion?