The U.S. Army Corps of Engineers has spilled oil 33 times since 1999 at nine of its Columbia and Snake river dams, prompting the Washington Department of Ecology this week to issue a warning to the federal agency.
The U.S. Army Corps of Engineers has spilled oil 33 times since 1999 at nine of its Columbia and Snake river dams, prompting the Washington Department of Ecology this week to issue a warning to the federal agency.