000			00455nam a2200157Ia 4500
008			140712s9999 xx 000 0 und d
041			_aENG
080			_a631.45 _bARC-S
100			_aArcher, Sellers G.
245			_aSoil conservation
260			_c1956 _aNorman _bUniversity of Oklahoma Press
300			_axxi, 305
500			_aIncludes bibliographical references
650			_aSoil ConservationSoil Management - UsSoil Improvement
942			_2UDC _cBK
999			_c6464 _d6464