Unidentified subway tracks.

Sea Beach Line cut supporting building foundation, Fort Hamilton Parkway.

Sea Beach Line and Long Island Railroad at 5th Avenue, looking west to 4th Avenue.

Ring #97 Northbound Express tunnel.

6th Avenue and 34th Street.

Sea Beach Line at 5th Avenue.

9th Street in Brooklyn.

Railroad tunnels and bridge, south of Central Avenue.

Shaft No. 4, Steinway Tunnel.

Liberty Street.

Right-of-way on portal.

Lexington Avenue between 104th and 105th Streets.

[Lexington Avenue and East 75th Street.]

7th Avenue between West 34th and West 35th Streets.

Unidentified railroad tracks.

32 West 28th Street.

60th Street.

Broadway and West 39th Street.

West 30th Street and 11th Avenue.

Greenwich Street.