Hoover Dam construction view

2736 × 3648

Dam in a rocky canyon

1024 × 816

Aerial view of a large dam

2848 × 1797

Bridge construction over canyon

3000 × 3750

Bridge construction over a canyon

2500 × 2000

Shipyard construction scene

914 × 1200

Men climbing rocky canyon

1931 × 2584

Hoover Dam construction site

950 × 725

Nighttime view of a dam

2370 × 1897

Construction of a large dam

1400 × 2064

Dam under Construction

1662 × 1268

Dam construction site

1200 × 952