12 leaf fall 2019 p. vidbula zustrich zav_duvacha the department of hydrogeology Udalova I.V. z vіpusknikami school number 62 and number 129 m. Kharkov. Prior to professional education, I became the Head of the Department of Hydrology of Ukraine UkrNDIgazu, Associate Professor of the Department of Hydrology Samoilov V.V., a certain student of special practical and hydrological galaxy.