21. The rock fill dam will stand about 205 meters ( 676 feet ) high, one of the highest in the world. 22. Materially, building the dam would have required of concrete aggregate, of rock fill , and another of various other types of fill. 23. The islet was built by the personal order of Peter the Great in 1701-1706 of rock fill held by oak piles. 24. The spillway is an unlined rock cutting that provided all the rock fill required for the construction of the dam embankment. 25. A rock fill dam built at the southern end of the lake has created the lake which has a depth of about. 26. Rocks fill the ground cultivated for crops and temperatures during the winter can fall to 30 below zero, taking a toll on livestock.27. Rocks fill the ground cultivated for crops, and temperatures during the winter can fall to 30 below zero, taking a toll on livestock.28. The wall is an earth and rock fill structure with a central clay core, which can hold back 134, 900 ML of water. 29. The banks for the central deep side were at a slope of 1 : 10, to allow the use of non-cohesive soil and rock fill . 30. Also known as "'Lawler Reservoir "', its waters are impounded by "'Lawler Dam "', a rock fill dam high and long that was built in 1910.
