Southern Pacific Yard Work

Rail Yard Work - unique footage

Unidentified yard!
Who is able and willing to help and share the information we're looking for to complete the story? The picture used on this Thumbnail, is a random picture which was found on the internet. It does not match, or doesn't have to match, the yard seen in this footage.

Freight and Passenger trains
Steam and Diesel locomotives
Rolling stock
Southern Pacific Trucking trailers being loaded onto rail cars
Southern Pacific Trucking yard, with trucks and trailers
Switchers
Crud
Boxcars
Black widow paint scheme
Daylight train, Daylight observation car
Dark Lark Grey bi-level commuter coaches
Harriman
American Flyer
Lark
Argonaut

IDENTIFIED EQUIPMENT
Diesel
5608
6177 Daylight
8383 - 6383 or 63
6422
5615 - train #372
2353
1487
Steam
1283
4337
2454
2724
2477
1265
2458
4373
444x -last number (marked ''x'') unclear
Caboose SP # 254

intermodal rail-to-truck rolling stock, Southern Pacific Truck Service, television Crosley,