| 11. | Cyanide has been used to extract gold from crushed rock for more than 100 years.
|
| 12. | With 80 quarries, Tarmac is the United Kingdom's largest producer of crushed rock, sand, and gravel.
|
| 13. | The Castella Quarries produces sandstone and crushed rock.
|
| 14. | Sodium cyanide is considered the most efficient and economic way to extract gold from crushed rock.
|
| 15. | We are talking about stone and crushed rock, which is used in road and building construction.
|
| 16. | The railroad used crushed rock Three Mile Bay; and in the village of Cleveland on North Street.
|
| 17. | The product mix includes fluxed and converter dolomite, dolomite flour, crushed rock for construction and road works.
|
| 18. | Dikes without a foreland have a layer of crushed rock below the waterline to slow wave action.
|
| 19. | The embankment required of crushed rock.
|
| 20. | The seamount and its nearby peers were created by the movement of crushed rock, resulting from seeping region.
|
