Queensboro Tunnel.
Subways, Fourteenth Street Cut for Subway, #1.
Subways, Fourteenth Street Cut for Subway, Rock Cut Looking West, Shaft 1.
Southbound express tunnel.
Chez Richard
Street Scenes, 1900, Fifth Ave. N.E. Cor. 61st St.
Typical Pressure Tunnel Construction Shaft [Catskill System.]
Skyline of N.Y.
Bonticou Grade Tunnel Portal and Bonticou Crag [Catskill System.]
Subway, Hudson Tubes.
The Holland Tunnel
Rondout Pressure Tunnel Showing Partial and Total Concrete Lining [Catskill System.]
[Constructing the McAdoo Tunnel.]
800 5th Ave. 61st St.
Drilling and Mucking Bench [of] Lower Half of Tunnel [Catskill System.]
Marlborough House
The Queens Midtown Tunnel Opening Ceremonies
Hotels Murray Hill, Belmont, Manhattan, Biltmore and Commodore, Copy, Louis Biedermann's drawing of Pershing Sqr. Hotels, Subways and Grand Central.