Funding to help Haiti recover and rebuild from the Jan. 12 earthquake moved through the Senate but slowed down in the House. The Senate on May 27 passed a spending bill with $2.8 billion for Haiti, including $438 million for infrastructure. House Appropriations Committee Chairman David Obey (D-Wis.) included $2.8 billion for Haiti in a draft spending bill, but he postponed a committee vote until after the Memorial Day recess.
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.