000 00532 a2200193 4500
020 _a0138221553
082 _a333.72
_bTRO
090 _c18673
_d28871
100 _aTroeh, Frederick R.
245 _aSoil and water conservation
_bfor productivity and environmental production
260 _aNew Jersey
_bPrentice-Hall
_c1980
_g1980
300 _axv,718p.
_c23cm
650 _aSoil erosion
650 _aSoil conservation
650 _aWater conservation
700 _aDonahue, Roy L.
700 _aHobbs, J. Arthur
942 _cL
999 _c46494
_d46494