00548nam a2200169Ia 4500082002500000100002200025245010300047260005200150300001400202500000500216690000600221700000500227952010500232964001700337921000900354999001500363  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   a  00104070aISIbISId1998-08-27l0o333.9130973 R982.EDpDP425r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a6719  c6719d6719