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Orlov, Pavel Nikolaevich
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Opening and freezing of the river of the Northern Dvina in Arkhangelsk according to data for 1734-1915. / P.N. Orlov. - Arkhangelsk: Lip. type., 1915. -14 p. : tab. ; 18. - At the end of the text - Pavel Nikolayevich Orlov. Photocopy. Ex: without tit. l.
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Source of the electronic copy: PB |
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