11. Parting lineation can also be created in dewatering tidal channels. 12. More forceful upward flow creates pillars which are essentially dewatering pipes. 13. The government also spent a considerable sum dewatering and timbering the mines. 14. Completion of this will allow the dewatering and dismantling of the remaining structure. 15. Dewatering screens operate by passing particles over a screen.16. Dewatering of the mine was commenced at 81 m.17. Procedures for closure are also included and include capping, liners, and dewatering . 18. Additional dewater holes were drilled to accelerate dewatering . 19. In the case of product coal, further dewatering is usually required before shipment. 20. His development of the first self-priming rotary pump revolutionized wellpoint dewatering methods.