000 00452nam a22001937a 4500
015 _a2049
041 _a1
080 _a631.45
_bBEN
100 _aBennett, H.H.
245 _aSoil Conservation
260 _aMcgraw-HILL BOOK COMPANY
_bLondon
_c1989
300 _a993p.
_bfig., ill.
650 _aAgriculture
852 _a4L4-2
999 _c4058
_d4058