00510nam a22001577a 4500003000400000008004100004082001800045100002300063245008700086260004600173300001000219650003500229650003900264650002700303700002200330OSt240306b |||||||| |||| 00| 0 eng d a627.52 bI85I aIsraelsen, Orson W aIrrigation : principles and practices / by Orson W. Israelsen and Vaughn E. Hansen aNew York: bJohn Wiley and Sons , c1962. aMisc. aTechnology (Applied Sciences)  aEngineering and Allied Operations  aIrrigation Engineering aHansen,Vaughn E.