The occurrence and accumulation of selected heavy metals in freshwater ecosystems affected by mine and industrial polluted effluent The occurrence and accumulation of selected heavy metals in freshwater ecosystems affected by mine and industrial polluted effluent
Preliminary guidelines for private sector participation in water supply and sanitation services Preliminary guidelines for private sector participation in water supply and sanitation services
Laboratory Calibration of Compound Sharp-Crested & Crump Weirs Laboratory Calibration of Compound Sharp-Crested & Crump Weirs
Explanation of the 1:500 000 hydrogeological map 2326 Pietersburg Explanation of the 1:500 000 hydrogeological map 2326 Pietersburg
Groundwater resources of South Africa: An explanation of a set of national groundwater maps Groundwater resources of South Africa: An explanation of a set of national groundwater maps
Available scientific information on individual South African estuarine systems Available scientific information on individual South African estuarine systems
Proceedings of the Southern African Irrigation Symposium Proceedings of the Southern African Irrigation Symposium
The use of geographic information systems (GIS) and other computer-aided drafting facilities for the production of geohydrological maps The use of geographic information systems (GIS) and other computer-aided drafting facilities for the production of geohydrological maps
Evaluation of rapid methods for the detection of indicator organisms in drinking water Evaluation of rapid methods for the detection of indicator organisms in drinking water