Cementing Column for Elevated Line As Locomotive Comes Through: Flushing Line (IRT) Photograph documenting construction of the Flushing Line in Long Island City. View of elevated line above Long Island Railroad tracks shows laborers preparing to cement over column supporting the elevated line. At right, a locomotive engine is on the Long Island Railroad tracks. Original photographic logbook notation reads: At base line station 15 and 41, 37 feet south of base line, looking northeast showing wiring of Column 8 - South preparatory to cementing on south face of column. Time, 2:20 P.M.