000 00301nam a2200133Ia 4500
008 160316s1959 xxu||||| |||| 00| 0 eng d
020 _a
100 _aHelmut Kohnke
245 _aSoil Conservation
250 _a1st
260 _aNEW YORK
_bMC GRAW HILL BOOK CO
_c1959
300 _a298
700 _a
_a
999 _c38734
_d38734