The debate over the number of economic stimulus jobs created or saved by the $787-billion American Recovery and Reinvestment Act will continue long after the recession is over, but the only apparent success so far is related to the infrastructure jobs fostered by the $130 billion earmarked in ARRA for that purpose. As the government coffers run dry, the only way to end the financial crisis is for Washington to start building real public confidence in the U.S. economy and help move massive amounts of private money off the sidelines and into productive parts of the economy. This amount is
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.