Robert L. Leonard Integrated management of ground and surface water in relation to water importation : the experience of Los Angeles county Robert L. Leonard - California : CAES , 1964 - iv, 90p. ; 30 cm. - Giannini Foundation Research report . Includes bibliographical references and index. Subjects--Topical Terms: Natural resources WaterSurface waterGroundwater Dewey Class. No.: 333.91 / LEO