Short description: In Russian. Znamensky, Ilya Ivanovich. Concreting as one of the main ways of conserving water in irrigation systems. Petrograd: 1923: type-liter. Betonirovanie kak odin iz osnovnykh sposobov sberezheniya vody v irrigatsionnykh sistemakh. In Russian /Concrete as one of the main ways to conserve water in irrigation systems. 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. SKU9155115