[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.
East River Tunnel, New York.
East River Tunnel, New York
Lower New York from Staten Island Ferry.
Midtown Tunnel under Hudson River, April 24, 1935
View of New York (from Staten Island)
[Shaft 9A.]
[Unloading ring from truck.]
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.]
New York & Staten Island. Dye House