Jobless Rate Falls, But Industry Adds Just 1,000 Jobs in August Construction's unemployment rate continued to head downward in August, dipping to 11.3% from July's 12.3%, but the industry posted a gain of only 1,000 jobs last month. The Bureau of Labor Statistics' latest monthly employment status report, released on Sept. 7, also showed that construction's jobless rate last month was better than the 13.5% level for August 2011. But industry officials said one factor behind the construction unemployment rate's decline is that many workers have left the construction industry. "While we all breathe a sigh of relief any time
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.