000 00393 a2200145 4500
082 _a630.4
_bUNG
090 _c21627
_d33646
100 _aUnger, Paul W.
245 _aAcuff soils
_bdistribution, importance, variability and management
300 _ai,32p.
_c28cm
650 _aAgriculture and related technology
700 _aBlackstock, Dan A.
700 _apringle, Fred B.
942 _cL
999 _c49086
_d49086