Is the steam blowing out a pipe at the trailing truck for the boiler blow down? (I know this is a loaded topic... sorry).
I notice he is doing it on a high bridge coming into El Paso. I guess because it's a safe place?
Thanks.
Youtube clip. UP 4014 on historic El Paso & Southwestern Railroad Bridge over the Rio Grande between El Paso, Texas and Dona Ana County, New Mexico. [
www.youtube.com]