[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.
[Shaft 9A.]
[Unloading ring from truck.]
East River Tunnel, New York.
Lower New York from Staten Island Ferry.
Midtown Tunnel under Hudson River, April 24, 1935
Hudson River Tunnel Curve, New York
View of New York (from Staten Island)
Typical Pressure Tunnel Construction Shaft [Catskill System.]
East River Tunnel, New York
Hudson River Tunnel, Connecting New York and New Jersey
Hudson River Tunnel Curve, New York.
McAdoo Tunnel under North River, New York