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Politics : Liberalism: Do You Agree We've Had Enough of It? -- Ignore unavailable to you. Want to Upgrade?

To: lorne who wrote (175376)	11/6/2014 4:18:18 PM
From: FJB	1 Recommendation Recommended By lorne Respond to of 224755

Previous California droughts have lasted up to 240 years. mercurynews.com And they worry that the "megadroughts" typical of California's earlier history could come again. Through studies of tree rings, sediment and other natural evidence, researchers have documented multiple droughts in California that lasted 10 or 20 years in a row during the past 1,000 years -- compared to the mere three-year duration of the current dry spell. The two most severe megadroughts make the Dust Bowl of the 1930s look tame: a 240-year-long drought that started in 850 and, 50 years after the conclusion of that one, another that stretched at least 180 years.