Short description: In Russian. Trupak, Nikolai Grigorievich. Mining by freezing method. Moscow: Carbon tekhnizdat: type. Higher Party School under the Central Committee of the All-Union Communist Party (b), 1947. 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. SKU8419546
Short description: In Russian. Trupak, Nikolai Grigorievich. Freezing of rocks during shafts. Moscow: Ugletekhizdat, 1954. Zamorazhivanie gornykh porod pri prokhodke stvolov. In Russian /Freezing of rocks during shafts. 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. SKU8419538
In Russian. Trupak, Nikolai Grigorievich. Soil Freezing in Construction. Moscow: Stroyizdat, 1970. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU8419541