[Tunnel construction.]

[North tunnel shield.]

[Unloading a truck.]

Midtown Tunnel under Hudson River, April 24, 1935

[Unloading.]

[Placing side ring "upper half".]

[Towing New York River Shaft Ciasson from Staten Island Shipbuilding Company's yard.]

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.

[Tunnel construction.]

[McAdoo Tunnel.]

Automobile trucks.

Waterfront. [Unloading fish.]

Unloading Cargo.

Original Exhibits of Rapid Transit Subway Construction Company, Plaintiff [Excavating a tunnel; subway construction.]

Ring #97 Northbound Express tunnel.

[Constructing the McAdoo Tunnel.]

Automobile trucks.