TY - CPAPER AU - P. Petrov AU - V. Georgiev AU - M. Nesheva AU - M. Toneva AU - L. Marinova TI - ASSESSMENT OF DAMAGES TO LANDSCAPE AT OPENCAST MINING T2 - 2nd International Scientific Conference - SGEM2002 PY - 2002 SP - 415 EP - 430 PB - SGEM Scientific GeoConference ER -