| 000 | 00411 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aClarke, S.E., Heinrichs, D.H. | |
| 245 | 1 | _aRegrassing abandoned farms submarginal cultivated lands and depleted pastures in the prairie areas of Westren Canada | |
| 260 |
_aOttawa _c1941 |
||
| 300 | _a1-23 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aFarms Canada Department of Agriculture. Publication No. 720 | ||
| 901 | _aS53971 | ||
| 999 |
_c111997 _d111997 |
||