Women working in a factory

3124 × 3684

Woman and Man Working on Aircraft

1920 × 1507

Women Working in Factory

1400 × 1044

Cutting teddy bear skins

1800 × 1309

Women working on aircraft assembly

1300 × 1034

Group of workers in a factory

1400 × 991

Industrial rail yard with smokestacks

3000 × 2329

Ship Launching

1000 × 762

Niagara Falls Mill District 1899

1024 × 768

Child labor at a mine site

1200 × 869

Minnesota Point from Incline Railway

4000 × 3135

Manhattan Bridge under construction

1600 × 1112