00606nam a2200157Ia 4500 0000016118 20251012174543.0 s1989 xx eng c 9211042232 GB1161 Ground water in eastern, central, and southern Africa New York United Nations 1989 p. f------ 320 p. ; 28 cm. At head of title: Department of Technical Co-operation for Development "United Nations publication sales no. E.88.II.A"--T.p. verso "ST/TCD/6." "03950"--T.p. verso p. 315-318 NHAH Groundwater- Africa 6045 6045