To quote that Shakespeare dude: "Double, double toil and trouble; Fire burn and cauldron bubble." It's not quite a cauldron, but a crucible is part of the next step in Thermite welding. In this step a BNSF welder is preheating the ends of the rails and mold, before adding the crucible.
Photo albums dedicated to the Men, and Women that keep the Railroad running around the clock 365 days a year. From Dispatcher to Track Gangs, these are the people that make the railroad moves!
A tribute of appreciation to the workers who maintain the track, keeping our railways in shape regardless of weather and danger, and keeping them running effeciently.