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| 008 | 141004n ii |||gr||||Z||||||eng | ||
| 082 | _a631.7 | ||
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_aSoil Conservation Service, _eAuthor ., |
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| 245 | 0 |
_aSCS National Engineering Handbook Section 15 Irrigation _cSoil Conservation Service _hReports |
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| 260 |
_aUSDA: _bSoil Conservation Service, _c1969. |
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| 300 | _a29. | ||
| 653 | _aTechniques, equipment & materials | ||
| 942 |
_2ddc _cR |
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_c42565 _d42565 |
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