| 21. | They inspected the drainage area by the nearby practice football field.
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| 22. | This makes the drainage area larger than the Republic of Ireland.
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| 23. | Water collects in the drainage area after it rains, and mosquitoes breed there.
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| 24. | The river is in length and has a drainage area of.
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| 25. | The drainage area up to the confluence with the Swetanadhi is.
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| 26. | About 70 percent of the drainage area is in South Dakota.
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| 27. | The moraine divides LaPorte County into northern and southern drainage areas.
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| 28. | The drainage area of Sly Park Creek behind the dam is.
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| 29. | The moraine divides LaPorte and Porter County into northern and southern drainage areas.
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| 30. | This drainage area measures approximately east west by north south.
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