|  | Map of Inter Provincial Areas | 
|  | Annual Average Rainfall | 
|  | Ground Water Potential | 
|  | Surface Water Potential | 
|  | River Basins of Sri Lanka | 
|  | Soils & Crop Suitability | 
|  | District Share of Asweddumized Paddy Areas | 
|  | Soil groups of Sri Lanka |