[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
New York Bay from Staten Island.
Building the McAdoo Tunnel, Under the Hudson River, New York.
Lower New York from Staten Island Ferry.
East River Tunnel, New York.
[Shaft 9A.]
East River Tunnel, New York
Midtown Tunnel under Hudson River, April 24, 1935
[Unloading ring from truck.]
View of New York (from Staten Island)
Hudson River Tunnel Curve, New York
Tunnel Under the New York East River
Typical Pressure Tunnel Construction Shaft [Catskill System.]
Hudson River Tunnel Curve, New York.
New York & Staten Island. Dye House