| 000 | 00386nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a631.4 | ||
| 245 | _aOur productive land...we can conserve and improve it while using it | ||
| 260 | _aWashington | ||
| 260 | _c1959 | ||
| 300 | _a16 p. | ||
| 440 | _aUnited States Department of Agriculture | ||
| 901 | _pS690 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c129008 _d129008 |
||