| 21. | Products exported from the site include roadstone, agricultural lime, industrial carbonate, crushed rock aggregate & pre-cast concrete products.
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| 22. | Although there are limestone quarries in the northern part of Texas, they tend to specialize in crushed rock.
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| 23. | One ton of crushed rock would yield only half an ounce ( 14 grams ) of gold, he said.
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| 24. | The crushed rock contains traces of gold, which will bond with liquid mercury dumped into the vat by villagers.
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| 25. | The use of crushed rock salt for melting snow and ice on roads was also introduced during this period.
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| 26. | From the end of the rail, the reservation is a crushed rock pathway mainly used by bicycles and pedestrians.
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| 27. | A major use for basalt is crushed rock for road and housing construction in concrete, macadam, and paving stones.
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| 28. | :: Screenings generally refer to a crushed rock which has passed through a screen with holes of a particular size.
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| 29. | The original bedrock in the area was fractured and a powder of crushed rocks was forced into all the fractures.
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| 30. | In the summer of 1985, Larry injured his back shoveling crushed rock to create a driveway at his mother's house.
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