| 000 | 00375 am a2200133 a 4500 | ||
|---|---|---|---|
| 080 | _a631.459:631.61 | ||
| 100 | 1 |
_a _d |
|
| 245 | 1 | _aOutline for teaching conservation in elementary schools | |
| 260 |
_aWashington _c1971 |
||
| 300 | _a1-14 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aConservation, Elementary United States Department of Agriculture. PA No. 268 | ||
| 901 | _aS20268 | ||
| 999 |
_c107357 _d107357 |
||