000 | 00590 a2200181 04500 | ||
---|---|---|---|
001 | 2462 | ||
008 | 050529s1976 0 d | ||
082 | 0 |
_a627.13 _bU581L |
|
110 | 2 |
_aU.S. Department of the Interior _966349 |
|
245 | 0 |
_aLinings for irrigation canals: _bincluding a progress report on the lower cost canal lining program. |
|
260 | 4 |
_aWashington.: _bU.S.Department of the interior. _c1976. |
|
300 | 4 | _a149. p. | |
650 |
_aCanales de riego _966350 |
||
650 |
_aRevestimientos _949492 |
||
650 |
_aRiego _966351 |
||
942 |
_2ddc _cBK |
||
999 |
_c2851 _d2851 |