Yashkov Ivan Alexandrovich RussiaSaratovSaratov State Technical University, 410054, Saratov, str. B. Sadovaya, 127, SSTUYashkovIA@mail.ru Author's articles Natural and Artificial Drainage Networks of Saratov: Modern State and Relation Condition of a Level of Scrutiny Gulling in Territory of Saratov and Vicinities