Infrastructure: Risks Soar, Bills Come Due As 20th-Century Dams Crumble [1]
"For nearly 50 years, Oroville Dam has been the linchpin of a sprawling state plumbing system that draws water from wet Northern California to 25 million people and thousands of acres of farmland in the arid south. That changed Feb. 7 when a crater as large as a football field dropped out of the dam's concrete-lined spillway."