Union Pacific's sulfuric acid train from Kennecott Copper is moments away from a crew change at North Yard in Salt Lake City. The train is on Salt Lake Subdivision Main Track 3, formerly D&RGW's S... (more)

A Union Pacific unit sulfuric acid train ascends the Cherry Hill grade at Burton Lane in Kaysville, Utah. This train was interchanged with the Kennecott Copper Corporation at Garfield, Utah and wi... (more)