00336nam a2200109Ia 4500082002500000100002200025245010300047260005200150300001400202500000500216700000500221  a333.9130973bR982.ED  aRuttan, Vernon W.  aEconomic demand for irrigated acreagebnew methodology and some preliminary projections, 1954-1980  aBaltimorebJohns Hopkins University Pressc1965  axi, 139p.  a  a