Ring #97 Northbound Express tunnel.

Man inside the southern end of a river tunnel.

Railroad tunnels and bridge, south of Central Avenue.

Unidentified subway tracks.

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

Unidentified street and railroad tracks.

Sea Beach Line at 5th Avenue.

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

60th Street.

Liberty Street.

[Lexington Avenue and East 75th Street.]

9th Street in Brooklyn.

Right-of-way on portal.

New Harlem River Span.

Harlem River at 132nd Street.

Opposite Trinity Cemetery.

Perry Street.

59th Street.

Looking west on northern sidewalk of 59th Street.

Central Avenue bridge.