Short description: In Russian. Ivanov, Georgy Alexandrovich. Geological sketch of the middle current of the Lena River fossil coals. Leningrad: Geological committee, 1928: type. Geologicheskiy ocherk iskopaemykh ugley srednego techeniya r. Leny. In Russian /Geological Profile of Middle River Fossil Coals. 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. SKU9199816