000 00310nam a2200133Ia 4500
008 160316s1955 xxu||||| |||| 00| 0 eng d
020 _a
100 _aM.D.Butler
245 _aConserving Soil
250 _a1st
260 _aPRINCETON,NEW JERSEY
_bD.VAN NOSTRAND CO.INC.
_c1955
300 _a321
700 _a
_a
999 _c35174
_d35174