Now showing items 1-20 of 20
| Subject |
|---|
| Ancient Ceylon [1] |
| Giant's tank [1] |
| Hydraulic structures [2] |
| Irrigation [1] |
| Irrigation - Sri Lanka [3] |
| Irrigation engineering [2] |
| Irrigation, Ancient Ceylon [1] |
| Kala-Balalu wewa [1] |
| Kaudulla and Topaweea [1] |
| Minneriya and Giritale [1] |
| Padawiya [1] |
| Tha Mannar plain [1] |
| The Balalu-wewa [1] |
| The Elahera canal [1] |
| The Kalinga-ela [1] |
| The Minipe-ela [1] |
| The Vanni [1] |
| The Yodiye-bendi-ela [1] |
| Wahalkada [1] |
| Wilachchiya [1] |
Now showing items 1-20 of 20