Ruttan, Vernon W. The economic demand for irrigated acreage : new methodology and some preliminary projections, 1954-1980 / Vernon W. Ruttan - Baltimore : Johns Hopkins Press , 1965 - xi, 139p. : ill. ; 20 cm. - Published for Resources for the Future . Includes bibliographical references and index. Subjects--Topical Terms: AgricultureUnited StatesIrrigation Dewey Class. No.: 631.7 / RUT