Women working in a factory

1400 × 1044

World War II bomber aircraft

1800 × 1233

Manhattan Bridge under construction

1200 × 723

Giant mining excavator at work

1705 × 1200

Mercedes-Benz truck in a mine

1280 × 1024

Giant mining excavator at work

2272 × 1704

Vintage mining machine on site

1300 × 903

giant mining excavator at work

1600 × 1000

Group of workers in a factory

1400 × 991

Large truck carrying mining equipment

1024 × 768

Worker assembling large industrial machine

963 × 1200

Nighttime mining operation

3885 × 2590

Theodore Roosevelt quote

1680 × 1050

Crowded street with Capitol in background

1900 × 1200

WWII aircraft in wind tunnel

1600 × 1209

Port of Seattle in the 1930s

3654 × 2702

German soldiers in a large gathering

1280 × 886

WWII German soldiers in camouflage

1024 × 757

Train on wooden trestle bridge

1024 × 768

WWII German soldiers with artillery

1257 × 978