http://video.nationalgeographic.com/video/news/environment-news/us-condit-dam-breach-vin/
October 28, 2011-The White Salmon River in Washington state is flowing again as the nearly 100-year-old Condit Dam was disabled with explosives. The reservoir draining took about 2 hours. The event is a significant milestone for river restoration and dam removal nationwide.For more on dam removal, see Movement to Take Down Thousands of Dams Goes Mainstream.