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  • INTRODUCTION TO MINING

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    Glossary of Mining Terms - Kentucky Coal Education

    For dipping seams, the angle of break increases, being 35.8° from the vertical for a 40° dip. .. ranks who is directly in charge of miners (e.g., "shift-boss," "face-boss," "fire-boss," etc.). Box-type .. Also called iron pyrites, fool's gold, sulfur balls.

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