Short description: In Russian. Polyakov, Nikolai Vladimirovich. Experimental and reclamation research in the North Caucasus. Rostov: 1926: 4th State Type. D.P.B. Red Progress. 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. SKU9132476