| 000 | 00365 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aReynoldson, L.A., Tolley, H.R. | |
| 245 | 1 | _aChanges effected by tractors on corn belt farms | |
| 260 |
_aWahington _c1922 |
||
| 300 | _a1-12 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aCorn, Farms United States Department of Agriculture. Farmers Bulletin No. 1296 | ||
| 901 | _aS48351 | ||
| 999 |
_c104372 _d104372 |
||