| 21. | Forty percent of the South River's 545-square-mile drainage basin is in south DeKalb.
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| 22. | The Pittsburgh drainage basin is to the north of the river.
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| 23. | The Tocantins state is located entirely within the Tocantins drainage basin.
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| 24. | The Finsteraarhorn is the culminating point of the Rhine drainage basin.
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| 25. | The surface area of its drainage basin is 17, 600 km?
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| 26. | Physical process models of complete drainage basins are even more complex.
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| 27. | Its drainage basin is �stensj�vannet and a number of small fords.
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| 28. | The Whitewater River is in the endorheic Salton Sea drainage basin.
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| 29. | It is long and the area of its drainage basin is.
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| 30. | Wetland plants may also be nutrient limited within small drainage basins.
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