Queensboro Tunnel.
East River Tunnel, New York.
The Brooklyn Subway, New York.
Tunnel Under the New York East River
Subway tunnel construction at Lexington Avenue and 97th Street.
Subways and Tunnels, Manhattan Island
[Tunnel construction.]
[Digging subway tube under East River for Queensboro Subway.]
[McAdoo Tunnel.]
Unidentified tunnel.
[North tunnel shield.]
Original Exhibits of Rapid Transit Subway Construction Company, Plaintiff [Excavating a tunnel; subway construction.]
[Constructing the McAdoo Tunnel.]
[Holland Tunnel.]
The Holland Tunnel