Waterfront

Blast Furnace

Jolan Gross Bettelheim, WPA

San Francisco Pier

David Paul Chun, Published by WPA

Helsinki South Harbour

Hugo Backmansson

Granite

Sol Wilson

Industrial Section

Jolan Gross Bettelheim, WPA

Waterfront Mill

Niles Spencer

Perspective View from a series of Mines and Factories

Th (Thomas?) Defoiss

The Guard-Gate, Gatun Lock, Panama

Joseph Pennell

Factory

Tyko Sallinen

The Lone Tenement

George Bellows

The Harbor

Josef Presser

Cranes, Bessemer

Joseph Pennell