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_aNLI _beng _cForeign Officials Division |
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_223rd ed. _aUS 628.50973 _bUn 31(V.1/1979) |
| 100 | 1 | _6880-01 | |
| 110 |
_aUnited States. _bEnvironmental Protection Agency _9222 |
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| 245 |
_aManaging small water systems : a cost study _6880-02 |
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| 260 |
_bMunicipal Environmental Research Laboratory ; _c1979 _aOhio : |
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| 300 |
_axviii,198p.: _bill. ; _c28 cm. |
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| 490 |
_aEnvironmental Protection Technology ; _v9 |
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| 500 | _aContract no.68-03-2071 | ||
| 650 | 0 |
_aWater-supply engineering _xCosts. _91340 |
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| 650 | 0 |
_aWater-supply _xCosts. _zUnited States _91341 |
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| 650 | 0 |
_aWater-supply _xCosts. _91342 |
|
| 700 | 1 |
_6880-03 _4jt. ed. _aStevie, Richard G., _91343 |
|
| 880 | 1 | _6100-01 | |
| 887 | _asubrata271170 | ||
| 942 |
_2ddc _cBKS |
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| 999 |
_c875 _d875 |
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