| 000 | 00477nam a22002057a 4500 | ||
|---|---|---|---|
| 015 | _a2048 | ||
| 041 | _a1 | ||
| 080 |
_a631.45 _bGUS |
||
| 100 | _aGustafson, A.F. | ||
| 245 | _aConservation of the soil | ||
| 250 | _aFirst | ||
| 260 |
_aMcgraw-Hill Book Company _bNew York _c1937 |
||
| 300 |
_a312p. _bill. |
||
| 650 | _aAgriculture | ||
| 852 | _a4L4-2 | ||
| 999 |
_c847 _d847 |
||