Short description: In Russian. Pustovalov, Ivan Fedorovich. Hydrogeological sketch of the Derbent area. Moscow; Leningrad: Geological Publishing House of the Head of Geological and Exploration Administration, 1930. 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. SKU9230449