Construction's unemployment rate declined in August to 16.5%-- the industry's lowest jobless rate in eight months--the Bureau of Labor Statistics reported. Construction's August rate was an improvement over the 18.2% reported for July, but it was more than double the August 2008 rate of 8.2%. Related Links: Read the full BLS release The industry rates are not adjusted for seasonal variations. BLS's latest monthly employment report, released Sept. 4, also showed construction continued to lose jobs, dropping 65,000 in August, seasonally adjusted. That's an improvement over the 76,000 jobs shed in July, but is far from anything approaching an increase
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.