| 000 | 00429nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a631.459:631.51 | ||
| 100 | _aMannering, J.V., Rurwell, R.E. | ||
| 245 | _aTillage methods to reduce runoff and erosion in the corn belt | ||
| 260 | _aWashington | ||
| 260 | _c1968 | ||
| 300 | _a14 p. | ||
| 440 | _aNo. 330; United States Departm | ||
| 901 | _pS15472 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c135594 _d135594 |
||