Just the day before, the BHZ from NP had this as part of 7 WP GP40/-2s brought in, and they were the beginning of the WP influx into Texas after the merger.
This train was long enough to cross over itself on the loop. Note fortuitous placement of WP boxcar and covered hopper! K64, Minolta SRT-101, Rokkor 50mm f1.7
The trailing units portend the imminent UP takeover. K64, Minolta SRT-101, Rokkor 50mm f1.7