Zephyr Rocket
The Zephyr Rocket was an overnight passenger train operated jointly by the Chicago , Burlington and Quincy Railroad ( "Burlington Route" ) and the Chicago , Rock Island and Pacific Railroad ( "Rock Island Lines" ) between Saint Louis , Missouri and the Twin Cities of Saint Paul and Minneapolis , Minnesota , with major intermediate stops in Burlington , Cedar Rapids , and Waterloo , Iowa . 
<triplet> Twin Cities <subj> Minnesota <obj> located in the administrative territorial entity