Moldenhauer, W. C. Hudson, Norman. Soil and Water Conservation Society (U.S.) World Association of Soil and Water Conservation text Ankeny, Iowa Soil and Water Conservation Society World Association of Soil and Water Conservation c1988 monographic xiv, 296 p. : ill. ; 24 cm. W.C. Moldenhauer and N.W. Hudson, editors. Material originally presented at a workshop held in San Juan, Puerto Rico, March 22-27, 1987, and organized by the World Association of Soil and Water Conservation and the Soil and Water Conservation Society. Includes bibliographies and index. Soil conservation Congresses Hill farming Congresses Water conservation Congresses S622.2 .C6 1988 631.4/5 0935734198 88026325 UOEL 000 20150409152208.0 1021295