| 000 | 00457 a2200157 4500 | ||
|---|---|---|---|
| 082 |
_a631.45 _bAYR |
||
| 090 |
_c21777 _d34002 |
||
| 100 | _aAyres, Quincy Clauds | ||
| 245 | _aSoil erosion and its control | ||
| 260 |
_aNew York _bMcGraw-Hill Book Company _c1936 _g1936 |
||
| 300 |
_axi,365p. _c23cm |
||
| 650 | _aSpecific techniques; apparatus, equipment, materials | ||
| 650 | _aSoil fertility, acidity, alkalinity | ||
| 650 | _aSoil science | ||
| 942 | _cL | ||
| 999 |
_c49219 _d49219 |
||