“…Published papers focus more on environmental management and safety and risk management. There are only 5 studies with the aim of terrain surveying and 3D modeling, mainly papers used UAV to generate DEM, DSM, 3D models for purposes related to the landscaping, geometry, weeding and afforestation in mine waste dump [49], tailings dam [30], waste material stock-piles [48], mine haul truck dumping process [52]. In addition, publications involved environmental management primarily concentrate on environmental monitoring of the tailings reservoir [33-35, 43, 45], identifying acid mine drainage [36,37], assessing environment of waste dumps [40,42,44].…”