The history of this mine started back in the XIX century and it has been repeatedly widened and deepened since then. Later it became the part of another, larger mine, that is having hard times now. The depth of the … Read more...
The history of this mine started back in the XIX century and it has been repeatedly widened and deepened since then. Later it became the part of another, larger mine, that is having hard times now. The depth of the … Read more...
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