Ecological changes in geological media and Siverskyi Donets River basin under the condition of goal mines floodingYevheniia Anpilova, Yevhenii Yakovliev, Rolf Petry and Volodymyr HorbulinE3S Web Conf., 280 (2021) 09006DOI: https://doi.org/10.1051/e3sconf/202128009006