Ring #97 Northbound Express tunnel.

Man inside the southern end of a river tunnel.

Unidentified subway tracks.

Railroad tunnels and bridge, south of Central Avenue.

Unidentified street and railroad tracks.

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

Sea Beach Line at 5th Avenue.

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

Liberty Street.

60th Street.

Right-of-way on portal.

New Harlem River Span.

Harlem River at 132nd Street.

Opposite Trinity Cemetery.

Perry Street.

[Lexington Avenue and East 75th Street.]

59th Street.

9th Street in Brooklyn.

St. Nicholas Avenue.

Central Avenue bridge.