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Jan. 10, 2018, 4:21 p.m.

Between the lines: Tree rings hold clues about a river's past

By analyzing centuries-old tree rings, researchers are extracting data about monthly streamflow trends from periods long before the early 1900s when recorded observations began. https://www.sciencedaily.com/releases/2018/01/180110101028.htm

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Alles, capital de Peñamellera Alta desde 1869, año en el que se declaró las dos Peñamelleras

Alles, capital de Peñamellera Alta desde 1869, año en el que se declaró las dos Peñamelleras
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