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Hydraulic Research Station (Sudan) 2 Items

Hydraulic engineering 28 Items

Hydraulic equipment 3 Items

Hydraulic structures 4 Items

Hydrobiology 3 Items

Hydrodynamics 7 Items

Hydroelectric power 26 Items

Hydroelectric power generation 1 Items

Hydroelectric power stations 7 Items

Hydrogeological maps 9 Items

Hydrogeology 40 Items

Hydrographic surveying 1 Items