Classification of systems for opening reserves beyond the limit contour of the quarry of upland depositsShukhrat Tadjiev, Olimjon Kobilov, Erkinjon Sharopov, Jurabek Choriyorov and Abdugoffor BahriddinovE3S Web Conf., 417 (2023) 01006DOI: https://doi.org/10.1051/e3sconf/202341701006