👉 Rockcastle is a type of coal mining operation where underground coal mines are dug into the earth to extract coal from beneath the surface, typically in an area near the river or lakebed. This process involves several stages:
1.
Preparation
: The first step is to excavate the mine shafts by digging through the earth to expose the coal seam.
2.
Excavation
: The excavation starts at a lower level than the mine shafts, allowing for easier access and minimally disturbing
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