President Obama has named Michael R. Bromwich, a former federal prosecutor and Justice Dept. Inspector General, to oversee a restructuring of the Interior Dept.'s Minerals Management Service. In the wake of the Gulf oil spill, Interior Secretary Ken Salazar announced plans on May 19 to split MMS into three divisions, separating regulatory functions from the job of collecting royalties from oil drilling. Bromwich, whose appointment was announced on June 15, will be in charge of developing the new structure. The White House said he "has a mandate to implement far-reaching change" at the agency. Bromwich, a partner with the law
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.