Shaft mining or shaft sinking refers to the method of excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.
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The mine shaft was over 500 feet deep. The shaft of the wagon was broken.
an airshaft.
grain structures
The Enterprise mine, a copper ore mine located at Mt Isa Mines, is currently Australia's deepest mine. Its shaft is 1,900m deep.
well see it all starts with the rock exploded in to the lava and it seprates the time and effort. hope that is the anserr(:
A shaft is a hole dug in a mine.
Cliffs Shaft Mine Museum was created in 1880.
it is in the mine thing
The mine shaft was over 500 feet deep. The shaft of the wagon was broken.
If you drop a grand piano down a mine shaft you would get a flat minor.
Strip mine Open-pit mine Shaft mine
A horizontal mine shaft is called an adit. It is a passage or tunnel that connects the surface with underground mine workings for access, ventilation, and transportation of materials.
Intake
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Intake
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A shaft mine.