7th Avenue and West 21st Street.

Ring #97 Northbound Express tunnel.

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.

Central Avenue bridge.

Unidentified street and railroad tracks.

St. Nicholas Avenue.

Man inside the southern end of a river tunnel.

Unidentified subway tracks.

State Street.

Railroad tunnels and bridge, south of Central Avenue.

Right-of-way on portal.

60th Street.

9th Street in Brooklyn.

[Lexington Avenue and East 75th Street.]

Shaft No. 4, Steinway Tunnel.

Lexington Avenue, north to East 62nd Street.

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

Liberty Street.