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Journal Article

In Science Fields

The Science News-Letter
Vol. 19, No. 517 (Mar. 7, 1931), pp. 152-153
DOI: 10.2307/3906599
Stable URL: http://www.jstor.org/stable/3906599
Page Count: 2

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Topics: Coal, Canyons, Plants, Meteorites, Potassium, National parks, Islands, Manganese, Geology, Oceans
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