| 000 | 00347 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aPowers, W.L. | |
| 245 | 1 | _aEconomic limit of pumping for irrigation | |
| 260 |
_aCorvallis _c1928 |
||
| 300 | _a1-48 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aEconomic, Irrigation Oregon Agricultural Experiment Station. Station Bulletin No. 235 | ||
| 901 | _aS47607 | ||
| 999 |
_c103534 _d103534 |
||