Tree rings reveal nightmare droughts in the West

May 1, 2014 2:08 PM

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If you think the 1930s drought that caused The Dust Bowl was rough, new research looking at tree rings in the Rocky Mountains has news for you: Things can get much worse in the West.

In fact the worst drought of this century barely makes the top 10 of a study that extended Utah's climate record back to the year 1429.

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