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Topic
- Erosion 61
- Agriculture 16
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- Watersheds 11
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- Groundwater 7
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Region
- Egypt 8
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- Wilhelm Creek >> Lane County >> Oregon >> United States 4
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- Willamette River >> Multnomah County >> Oregon >> United States 3
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Publisher
- Food and Agriculture Organization of the United Nations 3
- International Center for Agricultural Research in the Dry Areas 2
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- image/tiff 34
- application/pdf 27
