Subject
- Irrigation[remove]289
- Tanks81
- Water75
- Water Use75
- Architecture48
- Hydraulic Facilities46
- Wells41
- Dams35
- Canals31
- Irrigation Canals30
- Water Supplies27
- Archaeological Survey Of India Collections26
- Archaeological Survey Of India: India Office Series26
- topographical views26
- Agriculture20
- Civil engineering20
- Engineering20
- Sennar Dam (Sudan)20
- Dam Construction19
- town views19