Harlem River at 132nd Street.

Man inside the southern end of a river tunnel.

Shaft No. 4, Steinway Tunnel.

Ring #97 Northbound Express tunnel.

West 30th Street and 11th Avenue.

Railroad tunnels and bridge, south of Central Avenue.

60th Street.

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

Sea Beach Line at 5th Avenue.

Unidentified subway tracks.

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

St. Nicholas Avenue.

9th Street in Brooklyn.

Opposite Trinity Cemetery.

Right-of-way on portal.

Unidentified street and railroad tracks.

Liberty Street.

Greenwich Street.

Chambers Street.

Central Avenue bridge.