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040 _cCHAP
090 _aFolleto 7673
100 0 0 _aBlaisdell, Fred W.
_913028
245 0 _aSoil and water conservationstructure, hidraulic models and field applications.
260 _aMinneapolis, Minn. :
_bSt. Anthony Falls Hydraulic Laboratory,
_c1980.
300 _a33 p. :
_b: ilus.
490 _aAAT-NC-6
590 _aBATCH-UPD
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650 1 4 _aAgua
_xConservacion.
_92319
650 1 4 _aCanales.
_918255
650 1 4 _aSuelos
_xConservación.
_9110283
830 0 0 _aAAT-NC-6
_9129
901 _aBK
942 _cFOLL
942 _n0
949 _bBC
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949 _bBC
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999 _c17725
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