Although this is a copy of a copy of a map handed down from Conductor to Conductor, it gave an idea on the layout of this particular rail yard. 1960s Croxton Yard Secaucus New Jersey Conductors Qualifying Map is a vintage piece of railroadiana from the 1960s, specifically detailing the layout and regulations of the Croxton Yard in Secaucus, New Jersey. This map would have been used by conductors to familiarize themselves with the yard and ensure they were aware of any rules or restrictions in place. It serves as a unique collectible item for transportation enthusiasts or those interested in the history of railways in the 1960s.