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.

Railroad tunnels and bridge, south of Central Avenue.

9th Street in Brooklyn.

Right-of-way on portal.

Liberty Street.

Shaft No. 4, Steinway Tunnel.

[Lexington Avenue and East 75th Street.]

Lexington Avenue between 104th and 105th Streets.

Unidentified railroad tracks.

32 West 28th Street.

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

60th Street.

Greenwich and Cortlandt Streets.

Church Street.

Greenwich Street.