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.

6th Avenue and 34th Street.

Ring #97 Northbound Express tunnel.

Railroad tunnels and bridge, south of Central Avenue.

Sea Beach Line at 5th Avenue.

Shaft No. 4, Steinway Tunnel.

Right-of-way on portal.

9th Street in Brooklyn.

Liberty Street.

Unidentified railroad tracks.

[Lexington Avenue and East 75th Street.]

Lexington Avenue between 104th and 105th Streets.

32 West 28th Street.

Greenwich and Cortlandt Streets.

Church Street.

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

60th Street.

Perry Street.