Unidentified track tunnel.
Unidentified street and railroad tracks.
Ring #97 Northbound Express tunnel.
Unidentified subway tracks.
Unidentified railroad tracks.
Railroad tunnels and bridge, south of Central Avenue.
Shaft No. 4, Steinway Tunnel.
Northern section of land tunnel.
Man inside the southern end of a river tunnel.
Right-of-way on portal.
Unidentified elevated railroad platform.
Sea Beach Line at 5th Avenue.
Sea Beach Line and Long Island Railroad at 5th Avenue, looking west to 4th Avenue.
Sea Beach Line cut supporting building foundation, Fort Hamilton Parkway.
9th Street in Brooklyn.
Central Avenue bridge.
Opposite Trinity Cemetery.