000 00368nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a631.45
100 _aButler,M.D.
245 _aConserving Soil.
260 _a
_bD.Van Nostrand Inc. Toronto
_c1955
300 _a321
653 _aSoil Classification,Erosion,Mulch
653 _aConserving Soil
942 _2ddc
_cBK
999 _c1386
_d1386