000 | 00530 a2200157 4500 | ||
---|---|---|---|
080 |
_a631.62 _bW 769 G |
||
245 | 1 |
_aGuide for investigation of subsurface drainage problems on irrigated lands _cedited by R.J. Winger and J.N. Luthin |
|
260 |
_aU.S.A. _bAmerican Society of Agricultural Engineers |
||
650 | _aSubsurface Drainage | ||
700 | _aWinger, R.J., ed. | ||
700 | _aLuthin, J.N., ed. | ||
440 |
_aSP-04-66 _vAmerican Society of Agricultural Engineers, special |
||
100 |
_a _d |
||
300 | _a58 p. | ||
901 | _a103398 | ||
999 |
_c45098 _d45098 |