| 000 | 00357 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 |
_a _d |
|
| 245 | 1 |
_aLevel-basin irrigation _bA mothod for conserving water and labor |
|
| 260 |
_aWashington _c1979 |
||
| 300 | _a1-23 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aWater, Irrigation United States Department of Agriculture. Farm Bulletin No. 2261 | ||
| 901 | _aS33415 | ||
| 999 |
_c104835 _d104835 |
||