Panama Canal Construction.

Building. Construction view, upper stories

[Construction site.]

Panama Canal Construction.

Panama Canal Construction.

Queensboro Bridge Under Construction.

Panama Canal Construction.

[Railyard and construction of Lincoln Towers apartment complex.]

Panama Canal Construction.

Panama Canal Construction.

Construction.

[Construction of the New York World's Fair site.]

[Construction of the William C. Gotshall mausoleum at Woodlawn Cemetery.]

[Railyard and construction of Lincoln Towers apartment complex.]

[Construction of the New York World's Fair site.]

[French Line, S.S. "Normandie", Under Construction, Saint-Nazaire, France.]

[Construction of the New York World's Fair site.]

[Construction at Rockefeller Center.]

[Construction of the New York World's Fair site.]

[Construction of the Perisphere, New York World's Fair site.]