sentences:  The AB6s, unique to the Rock Island and this route, were flat-fronted, similar to a B unit, but with a cab and capable of independent operation.It could operate behind an A unit without ruining the streamlined profile of the train, but then pull the Colorado Springs section after the separation in Limon.Sea Drift (Carpenter)
  
  Sea Drift is a tone poem for orchestra composed by John Alden Carpenter in 1933; it was premiered by the Chicago Symphony under Frederick Stock on November 30, 1933.