Short description: In Russian. Pokrovsky, Nikolai Mikhailovich. Design of complex underground workings. Moscow: Subsoil, 1970. Proektirovanie kompleksnykh vyrabotok podzemnykh sooruzheniy. In Russian /Designing complex underground workings. 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. SKU7329800