An appropriations package that includes $2.9 billion in relief and reconstruction aid for Haiti has cleared the House and will next move to the Senate for a vote. The spending measure, which the House passed late on July 1, focuses mainly on funding for the Afghanistan war. But Republicans oppose the non-defense spending House Democrats added to the bill, and the White House has threatened a veto because of a provision that would cut certain education funding. The bill has not had a smooth path. The Senate had approved a $58.5-billion supplemental spending bill on May 27, which provided $2.8
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.