Unidentified subway tracks.
Shaft No. 4, Steinway Tunnel.
Man inside the southern end of a river tunnel.
Railroad tunnels and bridge, south of Central Avenue.
Right-of-way on portal.
Unidentified street and railroad tracks.
Unidentified tunnel.
9th Street in Brooklyn.
Opposite Trinity Cemetery.
Central Avenue bridge.
Northern section of land tunnel.
Sea Beach Line at 5th Avenue.
Sea Beach Line cut supporting building foundation, Fort Hamilton Parkway.
Southbound express tunnel.
Sea Beach Line and Long Island Railroad at 5th Avenue, looking west to 4th Avenue.
Church Street.
60th Street.
Liberty Street.