An early congressional review of economic-stimulus activity in core infrastructure sectors gives generally good marks for federal and state agencies' progress so far. The House Transportation and Infrastructure Committee on April 29 held the first of a planned series of hearings on the stimulus, the American Recovery and Reinvestment Act. It focused only on programs under the panel's jurisdiction, but they include such key sectors as highways, rail and Environmental Protection Agency water programs. Office of Rep. James Oberstar Rep. James Oberstar Related Links: State-by-State Stimulus Breakdown By Category and Status Prepared Statements by Witnesses As of March 31, the
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.