21. A major programme of civil engineering work to strengthen and reshape the earth dams was carried out in 1985. 22. Finally, in 1956, the compacted-earth dam for Timothy Lake was completed, creating the largest lake in the system at and. 23. A mass earth dam with a MP, the Minister of Housing and Local Government, performed the ceremony in September 1957. 24. The dredge is located at its final point of operation in a pond contained by a partly breached earth dam . 25. The Eller Beck storage reservoir will consist of an earth dam with a length of and a maximum height of. 26. The earth dam on the eastern bank is 4 km long, and that on the western bank is 8.5 km long. 27. A zoned-earth dam has distinct parts or zones of dissimilar material, typically a locally plentiful shell with a watertight clay core. 28. In order to generate an effective supply of energy, plans called for an earth dam , increasing the storage capacity of the lake. 29. The location of the proposed reservoir was remote and large quantities of construction materials would be required to construct the earth dam . 30. The reservoir was created in 1973 by the damming of the Wendebach stream, a tributary of the Leine, with an earth dam .
