Short description: In Russian. Backlund, Oleg Oskarovich. Polar Urals rocks and their mutual relations. St. Petersburg: type. Imp. Akad. sciences, 1912. Gornye porody polyarnogo Urala i ikh vzaimnye otnosheniya. In Russian /Polar Urals rocks and their mutual relations. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU3534113