As President Obama’s multibillion-dollar stimulus package becomes law, one thing is clear: thousands of construction workers will be helping to transform the American economy and landscape. Still, employment worries continue to be a source of concern. + Image Graphic: Rommel Alama / ENR Source: PAS inc. *2003 – 2008 actual annual increases, 2009 forcasted increases (excluding 0% increases) Photo: Ne Liuna Media/PR Stimulus helps but could still leave many workers jobless. "The nearly one million construction workers who have lost their jobs across the country have a renewed chance of success with passage of the stimulus legislation," says Stephen E.
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.