Subject
- Bodies Of Water1
- Canals2
- Civil engineering19
- Dam Construction19
- Dams19
- Engineering19
- Hydraulic Facilities20
- Irrigation20
- Irrigation Canals2
- Labourers3
- Occupations3
- Rail Transport2
- Railway Bridges1
- Railway Buildings and Structures1
- Railway Locomotives1
- Railway Vehicles1
- Rivers1
- Sennar Dam (Sudan)20
- Transportation2
- Water20