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Topic
Agriculture
2
Demography
2
Groundwater
2
Irrigation
2
Watersheds
2
Aswan High Dam (Egypt)
1
Dams
1
Droughts
1
Economics
1
Erosion
1
Flood control
1
Hydrology
1
Investments, Foreign
1
Lakes
1
Precipitation (Meteorology)
1
Rivers
1
Water consumption
1
Water--Distribution
1