TY - CPAPER AU - Iustina Popescu AU - Ramona Nimirciag (balint TI - ENVIRONMENTAL IMPACT OF CLOSING MINING ACTIVITIES - A CASE STUDY FROM BALAN, ROMANIA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 SP - 73 EP - 80 pp DO - 10.5593/sgem2012/s16.v4005 PB - Stef92 Technology ER -