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also obtainable from the Groundwater Division, Geological Society of South Africa,
PO Box 44283, linden, 2104).
• Anonymous, [19901. Groundwater: guidelines for boreholes, Borehole Water
Association of Southern Africa, the Division of Earth, Marine and Atmospheric
Science and Technology of the CSIR, the Department of Agricultural Development,
the Department of Water Affairs and the Geological Society of South Africa,
Pretoria, 29 p. (The publication is written in a non-technical style and revises a
previous report namely, Miller, P.M., undated. Know your own borehole, Borehole
Water Association of Southern Africa, Johannesburg, 36 p.).
• Bond, G.W., 1946. A geochemical surveyof the underground watersupplies of the
Union of South Africa with particular reference to their utilisation in power
production and industry, Memoir No. 41, Geological Survey, Department of Mines,
Pretoria, 216 p.
• Botha, W.J. (ed), 1992. Evaluation of electromagnetic exploration techniques in
groundwater exploration, WRC Report No. 212/1/92, Water Research Commission, _
Pretoria, 214 p. + app.
• Bredenkamp, D.8., 1995. Dolomitic groundwater resources of the Republic of
South Africa: Part 1, Critical aspects in the management of dolomitic aquifers, and
Part 2, Characteristics of dolomitic aquifers with special reference to man's impact
on these resources, Technical Report No. Gh 3857, Directorate of Geohydrology,
Department of Water Affairs and Forestry, Pretoria, 54 p. + app.
• Bredenkamp, D.B., Botha, L.J., Van Tonder, G.J. and Janse van Rensburg, H.,
1995. Manual on quantitative estimation of groundwater recharge and aquifer
storativity: based on practical hydro-logical methods, WRC Report No. TT 73/95,
Water Research Commission, Pretoria, 363 p. + app. (The report is an important
document which should be carefully examined by readers interested in the topic).
• Campbell, E.E., Parker-Nance, T. and Bate, G.C., 1992. A compilation of
information on the magnitude, nature and importance of coastal aquifers in