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BlGSBY (J. J.). 



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2. On the Topography and Geology of Lake Ontario. Phil. Mag 

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3. On the Geography and Geology of Lake Superior. Journ. Roy. 

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5. Topographic de la riviere du Niagara. Quart. Journ. of Sc. 

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12. Beschreibung der Bergkalk-Formazion im nordlichcn Amcrika. 

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BIGUET (F.). 

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