 The swampland directly east of Orange was considered unsuitable for the railway construction, so the company pushed the line to the north and east and established a quarantine station.The site was given the name "Echo", because the sounds of the railway reverberated in the nearby river swamp.Years later, the quarantine station would be removed, but this site located three miles northeast of Orange would still function as a freight yard for the Southern Pacific Railroad as well as an industrial site.