Krasnopolskiy A. gornyy inzhener). Geologicheskie issledovaniya v basseyne reki Tobola./Krasnopolsky A. mining engineer). Geological research in the Tobol River basin. In Russian (ask us if in doubt). - landofmagazines.com

TransliterationKrasnopolskiy A. gornyy inzhener). Geologicheskie issledovaniya v basseyne reki Tobola.

In EnglishKrasnopolsky A. mining engineer). Geological research in the Tobol River basin. In Russian (ask us if in doubt).

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