Hoover Dam Build Photos Reveal the Wonder of Human Invention Civil Check out this article chronicling one of the great civil engineering projects of the 20th century: http://mashable.com/2015/09/11/hoover-dam-construction/?utm_cid=mash-com-fb-main-link#wesQq.ksGkkE#CivilEngineering #WaterAndWastewater #Soil