| 11. | Blyvoor also treats gold-bearing slimes dams and waste rock dumps.
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| 12. | Shamberg said his client did not think the limit applied to any accompanying waste rock.
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| 13. | Girls in their mid-teens cobbed the resulting chunks, separating the valuable ore from waste rock.
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| 14. | Waste rock is piled up at the surface, near the edge of the open pit.
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| 15. | Picked samples from waste rock dumps were said to contain copper and low nickel values.
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| 16. | Fully excavated primary stopes are filled with waste rock.
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| 17. | Leaching of metals and acids from waste rocks into the environment is a valid concern.
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| 18. | Much of the waste rock was dumped just northeast of the shaft near a small wetland.
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| 19. | Improvements in mining equipment, and bigger trucks for moving ore and waste rock, have cut costs.
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| 20. | The mine closure left a 75-million tonne waste rock dump covering an area of approximately 117 hectares.
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