With a short stopgap spending bill set to lapse on Dec. 21, Senate Democrats have introduced a new measure that would extend funding for federal construction accounts and other programs through March 4. It also would continue authorizations for surface-transportation programs through that date. If the full Senate passes the proposed nine-week continuing resolution (CR), which was introduced on Dec. 19, it would go to the House for a vote. The new CR would fund most programs at their fiscal 2010 spending levels. There are some exceptions, such as the latest round of Defense Dept.'s Base Realignment and Closure (BRAC)
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.