000 00354 a2200145 4500
080 _a631.459:631.61
_bB 471 E
245 1 _aElements of soil conservation
_cby H.H. Bennett
250 _a2nd edn.
260 _aNew York
_c1955
650 _aSoil Conservation
650 _aSoil Erosion
100 1 _aBennett, H.H.
_d
300 _a358 p.
901 _a61721
999 _c44308
_d44308