The Northern Lights shine over the frozen Mississippi River and the old Milwaukee Road lift bridge as a pair of Norfolk Southern engines haul tankers east.
"VAUGHN SUMMIT" 15T approaches the summit of the grade between Front Royal and Shenandoah, VA at "Summit": where Vaughn Summit Road crosses just north of the interlocking for the siding.... (more)
Thermit welding is not something you see very often and certainly not in the tight confines of the New York City Subway. This process is used to weld two pieces of very hard metal such as steel ra... (more)