It used for slope monitoring, such as the open pit slope, the dump, the tailing dam, and so on, and also achieve the point and surface deformation monitory of slope.

研究结果表明，基于多基线近景数字摄影测量技术的边坡变形监测是科学可行的，可用于各种边坡的监测，如露天矿边坡、排土场、尾矿坝等，能实现边坡点和面的变形监测。

youdao

Yes, open pit bitumen mining blights the landscape, the process releases too much carbon dioxide, and tailing ponds occasionally kill ducks.

FORBES: Canadian Oil Sands Unfairly Tainted By BP Fiasco