| 21. | The watershed area is, with of forest and for agriculture.
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| 22. | It has a watershed area of 7, 710 square kilometers.
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| 23. | The area between hillocks and the sanctuary constitutes the watershed area of the sanctuary.
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| 24. | It is long and has a watershed area of.
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| 25. | The southernmost portion of the Great Basin is the watershed area of the Lahontan subregion.
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| 26. | It is a critical watershed area and the largest remaining rainforest in Lanao del Norte.
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| 27. | The long river drains a watershed area of about.
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| 28. | In effect, the two arteries do not function as collateral perfusion to the watershed area.
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| 29. | Its watershed area covers Calamba City in Laguna and the municipalities of Malvar in Batangas.
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| 30. | I found good references for the watershed area though.
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