Short description: In Russian. Dubach, Alexander Davidovich. Drainage of marshes by open ditches: Moscow: 1918. Osushenie bolot otkrytymi kanavami. In Russian /Draining wetlands with open ditches. 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. SKU9183466