As SSW 9647 East, a BKDOU, passes on the main line, an SP work train in the south siding at Woodford picks up spikes and other metal "debris" from the right of way using a big magnet attached to a crane. In the north siding, a westbound Santa Fe vehicle train waits for the Oil Cans to pass.
The EMD SD (special duty) series are a strong and reliable kind of locomotive which still serve America's rails today. They have proved themselves reliable by clocking in several million miles of freight service over several decades.