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| 008 | 971013s1979 r 00010 d | ||
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_a631.45 _bS6 |
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_aSoil Conservation Society of America. Ankeny, Iowa _9108297 |
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_aSoil conservation policies an assessment _b: based on material presented at the National Conference... |
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| 260 |
_aWashington : _bThe society, _c1979 |
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| 300 | _a154 p. | ||
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0130 |
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_aBATCH-UPD _b10 _c20130409 _lUCH01 _h2125 |
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_aCONVERSION _b10 _c20130109 _lUCH01 _h1331 |
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| 650 | 1 | 4 |
_aSuelos _xConservación _xLeyes. _9110303 |
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