Short description: In Russian. Polyakov, Grigory Davidovich. Lifts of geological drilling rigs. Moscow: Subsoil, 1976. Podemnye ustroystva geologorazvedochnykh burovykh ustanovok. In Russian /Exploration rig lifting devices. 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. SKU7013083