Dam construction site

1200 × 952

Large dam under construction

3504 × 2336

Dam in a mountain valley

1024 × 768

Dam in a mountain valley

1024 × 686

Men on large pipe structure

1164 × 888

Concrete Dam in Mountains

4608 × 3456

Dam in a deep canyon

7551 × 4877

Construction of a large dam

1400 × 2064

Hoover Dam — Beige

3840 × 2160

Horseshoe Dam from above

1280 × 960

Hoover Dam with Lake Mead

1600 × 1200

Hoover Dam — Blue, Dramatic

1920 × 1080