Title: Prirodoobustroĭstvo i rat︠s︡ionalʹnoe prirodopolʹzovanie--neobkhodimye uslovii︠a︡ sot︠s︡ialʹno-ėkonomicheskogo razvitii︠a︡ Rossii
Subjects: Congresses, Water resources development, Reclamation of land, Natural resources