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Donor
- Laylin, John G. (John Gallup), 1902- 50
Topic
- Water-supply 37
- Politics and government 31
- Laylin, John G. (John Gallup), 1902- 16
- Irrigation 11
- Agriculture 6
- Dams 5
- Canals 4
- Treaties 4
- Amini, Ali 3
- Qanats 2
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Work Type
- documents 50
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- Afghanistan 50
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Type
- Text 50