| 000 | 00406 am a2200133 a 4500 | ||
|---|---|---|---|
| 080 | _a631.557(083.4) | ||
| 100 | 1 |
_a _d |
|
| 245 | 1 |
_aChanges in farm production and efficiency _bA summary report 1975 |
|
| 260 |
_aWashington _c1975 |
||
| 300 | _a1-32 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aFarm, Production, Efficiency United States Department of Agriculture. Statistical Bulletin No. 548 | ||
| 901 | _aS26121 | ||
| 999 |
_c107772 _d107772 |
||