| 000 | 00537nam a2200145Ia 45e0 | ||
|---|---|---|---|
| 008 | 140115n xxu |||gr||||Z||||||eng | ||
| 082 | _a631 | ||
| 100 |
_aHeld, R. B., _eAuthor. |
||
| 245 | 0 |
_aSoil Conservation in Perspective _cR. B. Held _hTextual Documents |
|
| 260 |
_aBaltimore: _bJohn Hopkins Press, _c1968. |
||
| 300 | _a341. | ||
| 653 | _aTechniques, equipment & materials | ||
| 701 |
_aClawson, Marion, _eAuthor. |
||
| 942 |
_2ddc _cTXT |
||
| 999 |
_c2929 _d2929 |
||