000 00334nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aJones, E.R.
245 _aPrinciples and practice of land drainage
260 _aMadison
_c1910
300 _a41291
440 _aWisconsin Agricultural Experi
901 _a29266
942 _cB
_2udc
999 _c5636
_d5636