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Subject
- Inland Waters35
- Hydrology34
- Rivers34
- Drainage33
- Watersheds29
- Roads6
- Transportation5
- Railroads4
- transportation2
- Beās River Watershed (India)1
- Canals1
- Express highways1
- Godāvari River Watershed (India)1
- Groundwater1
- Indus River Watershed1
- Mahanadi River Watershed (India)1
- Ravi River Watershed (India and Pakistan)1
- Street-railroads1
- Yamuna River Watershed (India)1