00386nam a2200121Ia 4500008004100000082002100041100002600062245003500088260004800123300001200171600001900183650006200202140224s9999    xx            000 0 und d  a631.62(082.2) J7  aLuthin, James N., ed.  aDrainage of agricultural lands  aMadisonbAmerican society of agronomyc1957  ax,620p.  aJames N.Luthin  aDrainage,Drainage design,Drainage construction,Irrigation