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Growth rings on rocks give up North American climate secrets

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Scientists have used soil deposits that form growth rings on rocks to provide a detailed picture of North American climate over a 120,000-year time span.

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Unkown User, "Growth rings on rocks give up North American climate secrets", MachPrinciple, January 15, 2016, https://machprinciple.com/post/Growth-rings-on-rocks-give-up-North-American-climate-secrets

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