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.

Railroad tunnels and bridge, south of Central Avenue.

6th Avenue and 34th Street.

Sea Beach Line at 5th Avenue.

Right-of-way on portal.

9th Street in Brooklyn.

Liberty Street.

Shaft No. 4, Steinway Tunnel.

Unidentified railroad tracks.

[Lexington Avenue and East 75th Street.]

32 West 28th Street.

Lexington Avenue between 104th and 105th Streets.

Greenwich and Cortlandt Streets.

Church Street.

Perry Street.

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

60th Street.