TY - BOOK AU - Chleq,Jean-Louis AU - Dupriez,Hughes AU - O'Meara,Bridaine TI - Vanishing land and water : : soil and water conservation in dry lan ds / SN - 2871050074 U1 - 631.4 CHL PY - 1988/// CY - London : PB - Macmillan, KW - Water-supply, Rural KW - Sahel KW - Water-supply engineering KW - Soil conservation KW - Africa N1 - Includes index ER -