As American Recovery and Reinvestment Act (ARRA) dollars begin to roll out from the Environmental Protection Agency, states are scrambling to develop and implement their plans to distribute the funds to local communities and utilities. In some cases, money has already been distributed; in others, the agencies responsible for distribution are waiting for EPA to work out the details of how the money will be allocated. Photo: AP/ Wideworld The big boost in DOE nuclear work could overwhelm current DOE staff. Photo: WASA Typical projects include drinking-water rehab work. But while funding may be merely a trickle now, agency and
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.