[Tunnel construction.]
[North tunnel shield.]
[Unloading a truck.]
Midtown Tunnel under Hudson River, April 24, 1935
[Towing New York River Shaft Ciasson from Staten Island Shipbuilding Company's yard.]
[Unloading.]
[Placing side ring "upper half".]
Subways, Fourteenth Street Cut, Cast Iron Ring, Section North Tube Looking West, #18.
[Holland Tunnel.]
[Workers unloading boat.]
Building the McAdoo Tunnel, Under the Hudson River, New York.
[McAdoo Tunnel.]
Waterfront. [Unloading fish.]
Original Exhibits of Rapid Transit Subway Construction Company, Plaintiff [Excavating a tunnel; subway construction.]
[Constructing the McAdoo Tunnel.]
Unloading Cargo.
[Construction of the Pennsylvania Railroad tunnels under the Hudson.]
Automobile trucks.