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.

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.

Liberty Street.

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

60th Street.

New Harlem River Span.

Harlem River at 132nd Street.

Opposite Trinity Cemetery.

Right-of-way on portal.

[Lexington Avenue and East 75th Street.]

St. Nicholas Avenue.

9th Street in Brooklyn.

Perry Street.

62 High Street.

Forest Avenue grade crossing.