Locos: http://www.valleypass.com/Sales/SD24W.htm
Route: Needles Sub (freeware -- www.trainsim.com )(modified)
Freight cars and caboose: www.dieselswest.com

sf0717-7 by CB Blackard, on Flickr

sf0717-6 by CB Blackard, on Flickr

sf0717-5 by CB Blackard, on Flickr

sf0717-4 by CB Blackard, on Flickr

sf0717-3 by CB Blackard, on Flickr

sf0717-2 by CB Blackard, on Flickr

sf0717-1 by CB Blackard, on Flickr