Short description: In Russian. Obruchev, Sergey Vladimirovich. Kolyma-Indigir region. Leningrad: Publishing House of Akad. Sciences of the USSR, 1931: type of edition of Akad. Sciences of the USSR. 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. SKU9307984