| 000 | 00385 am a2200133 a 4500 | ||
|---|---|---|---|
| 080 | _a547 | ||
| 100 | 1 | _aThomas, H.L., Hopkins, John A. | |
| 245 | 1 | _aCosts and utilization of corn in seven iowa counties | |
| 260 |
_aIowa _c1932 |
||
| 300 | _a32 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aCosts, Utilization, Corn Iowa Agricultural Experiment Station. Bulletin No. 289 | ||
| 901 | _aS58060 | ||
| 999 |
_c100880 _d100880 |
||