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270 The pre-terrestrial history of meteorites. 
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Discusses the evidences indicating the probable structure of meteorites 
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271 Observations on Indiana caves. 
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273 Fisher (C. A.). Comparative value of bluff and valley wash 
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274 Gould (C. N.) and. The Dakota and Carboniferous clays of 
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276 Mathematical notes to rival theories of Cosmogony. 
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277 Flink (Gust.). On the minerals from Narsarsuk on the firth of 
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278 Foerste (August F.). Silurian and Devonian limestones of Ten- 
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279 The Niagara group along the western side of the Cincinnati 
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Abstract: Science, new ser., vol. 13, pp. 134-135, 1901. 
