Rare Historical Pictures That You Can’t Miss Men on Hoover Dam: The Dam was completed in March 1936. The picture depicts men standing in a 450,000-ton steel pipe over it. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
