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So what is the typical procedure when encountering a large boulder? Get people there and just drill through it manually? Or would they have to completely remove

by dreen 13y ago

So what is the typical procedure when encountering a large boulder? Get people there and just drill through it manually? Or would they have to completely remove the entire boulder? (how?)

abduhl 13y ago
Access the face and bust up the obstruction so that it can be ingested or sink a shaft and remove the obstruction vertically.