| 1. | In 1917 a major fire caused extensive damage including the underground workings.
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| 2. | In reality, his death was staged and he went underground working for Fulcrum.
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| 3. | The coalmine, unlike those in other regions, also had underground workings.
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| 4. | It includes a historic open pit copper mine, as well as underground workings.
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| 5. | Ore containing gold is broken in the underground workings by drilling and blasting.
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| 6. | In March 2002, millions of gallons of water flooded into the underground workings.
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| 7. | However, profits were tempered by the temperature of the underground workings.
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| 8. | In 1983 an inclined tunnel linking underground workings with the surface was completed.
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| 9. | At the rear, a single-storey section contained U-shaped training galleries representing underground workings.
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| 10. | In order to access the underground workings, five adits were constructed.
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