TY - BOOK ED - Food and Agriculture Organization of the United Nations. TI - Guidelines for watershed management T2 - FAO conservation guide ; 1 SN - 9251002428 (pbk.) AV - TC409 .F66 1977 U1 - 631.45 19 PY - 1977///, 1978 printing CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Watershed management KW - Congresses N1 - Includes bibliographical references ER -