President Obama wants to accelerate the pace of the economic- stimulus plan. The White House says it hopes to save or create as many as 600,000 jobs through the American Recovery and Reinvestment Act during the summer. The plans, outlined in a June 8 Cabinet meeting, include speeding up some of the construction projects funded in the ARRA measure. Among those projects are improvements at 90 veterans medical centers in 38 states, 200 new waste and drinking-water systems in rural states and new or accelerated work at 20 Superfund sites. The Bureau of Labor Statistics reported on June 5 that
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.