[Construction site on the West Side.]

[Construction site.]

Workers on the West Side Highway, September 10, 1937

[Construction site near Hudson River.]

Workers on the West Side Highway, September 10, 1937

[Construction on West 72nd Street.]

Workers on the West Side Highway, September 10, 1937

Park Avenue [Construction site.]

Park Avenue [Construction site.]

[World Trade Center construction site.]

Looking Southwest. [Construction site.]

Changing New York [Construction site.]

[Railroad construction near 76th Street.]

Park Avenue [Construction site.]

Park Avenue [Construction site.]

Changing New York [Construction site.]

Changing New York [Construction site.]

Workers on the West Side Highway, September 10, 1937

Changing New York [Construction site.]

[Construction site.]