Ring #97 Northbound Express tunnel.

7th Avenue and West 21st Street.

Greenwich Street, north to Cedar Street.

Sea Beach Line at 5th Avenue.

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

St. Nicholas Avenue.

Central Avenue bridge.

Man inside the southern end of a river tunnel.

Unidentified street and railroad tracks.

Unidentified subway tracks.

State Street.

Railroad tunnels and bridge, south of Central Avenue.

Shaft No. 4, Steinway Tunnel.

60th Street.

9th Street in Brooklyn.

[Lexington Avenue and East 75th Street.]

Lexington Avenue, north to East 62nd Street.

Right-of-way on portal.

6th Avenue and 34th Street.

West 30th Street and 11th Avenue.