[The working chamber of the New York River Shaft Caisson.]
[Launching New York River Shaft Caisson.]
Shaft No. 4, Steinway Tunnel.
New York from Staten Island
Building the McAdoo Tunnel, Under the Hudson River, New York.
New York Bay from Staten Island.
Midtown Tunnel under Hudson River, April 24, 1935
East River Tunnel, New York.
East River Tunnel, New York
[Shaft 9A.]
[Unloading ring from truck.]
Lower New York from Staten Island Ferry.
View of New York (from Staten Island)
Hudson River Tunnel Curve, New York
Tunnel Under the New York East River
Hudson River Tunnel Curve, New York.
Typical Pressure Tunnel Construction Shaft [Catskill System.]
Hudson River Tunnel, Connecting New York and New Jersey.