: Installing rock bolts (1.5–2.4 m) and cable bolts (4–12 m) to pin large blocks of rock together.
: Optimizing the size of left-behind ore "pillars" to support the roof. Ground Control
In photogrammetry and aerial mapping, are physical markers placed on the ground with known precise coordinates. Ground control points: why are they important? - Pix4D : Installing rock bolts (1
: Using instruments like borehole pressure cells (BPCs) and extensometers to track ground movement and stress changes. Ground Control
