Determination of the Artificial Filtering Massif Location for Purification Quarry Wastewaters of Kamyshansky Open Pit MineMaxim Tyulenev, Sergey Markov, Eugene Makridin, Yury Lesin and Vyacheslav GogolinE3S Web Conf., 105 (2019) 02022DOI: https://doi.org/10.1051/e3sconf/201910502022