Arizona has done the rest of the country a favor by provoking us to try to finish the business of immigration reform that Congress failed to complete in 2007. Whether or not the Arizona law is found to violate civil rights, comprehensive national reform legislation is the only way to resolve most of the immigration issues. Here is a short list of what needs to be done in the best interests of the construction industry and the U.S. Stiffer penalties for employersshould allow for good-faith mistakes, especially when employers mustrely on government-supplied data. 1) Tougher border security is critical. Walls
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.