00756nam a2200229Ia 450000100060000000300050000600500170001100800410002801000150006902000150008405000170009908200100011610000280012624500860015426000460024030000170028650000110030350400290031465000710034365000620041470000500047680353BIBL20160527202724.0711122s1972    iau      b    00110 eng    a 78153163   a08138144050 aHD1759b.B34  a338.110aBall, A. Gordon.2Local10aSize, structure, and future of farmscedited by A. Gordon Ball and Earl O. Heady.0 aAmesbIowa State University Pressc[1972]  aviii, 404 p.  a920723  aIncludes bibliographies. 0aFarms, Size ofzUnited StatesxAddresses, essays, lectures.2Local 0aFarmszUnited StatesxAddresses, essays, lectures.2Local10aHeady, Earl Oreld1916-ejoint author.2Local