| 000 | 00504nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a631.45 | ||
| 100 | _aSoil Conservation Service | ||
| 245 | 2 | _aA Manual on Conservation of Soil and Water:Handbook for professional agricultural workers. | |
| 260 |
_aWashington _bGovt. Printing Office _c |
||
| 300 | _a207 | ||
| 653 | _aSoil Classification,Erosion,Mulch | ||
| 653 | _aAgricul-tural Workers | ||
| 653 | _aSoil and Water Conservation | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c252 _d252 |
||