EVALUATION OF THE IMPACT OF BLASTING ACTIVITIES VERTICAL BENCHING OF GROUND SUPPORT PT. FREEPORT INDONESIA: EVALUASI DAMPAK KEGIATAN PELEDAKAN VERTICAL BENCHING TERHADAP GROUND SUPPORT PT. FREEPORT INDONESIA. JISTECH [Internet]. 2023 Jan. 22 [cited 2026 Jun. 21];6(1). Available from: https://jistechunipa.com/index.php/istech/article/view/150