| 251 | Green Household Index - The Eco-Cal |
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| 252 | Guardians of the water environment (bilingual document) |
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| 253 | Constructive thinking : save water, save the environment |
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| 254 | The Environment Agency navigations : Thames, Anglian, Southern |
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| 255 | Sustainable water resources for the future |
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| 256 | Pollution control on the River Alt |
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| 257 | A Review of the Application of |
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| 258 | Ecology and the Water Framework Directive |
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| 259 | Snapshots of the environment : regulating major industry |
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| 260 | The introduction of an effective market testing programme for the flood defence function of the National Rivers Authority in the North West Region : certificate in management |
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| 261 | Review of the microtox toxicity test |
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| 262 | Silt - and its effects on the river |
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| 263 | The effects of predation on salmon fisheries |
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| 264 | Fisheries Assessment Software within the Environment Agency |
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| 265 | Bewdley flood defences : the invisible defences |
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| 266 | The story of a river : Ripples 1 |
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| 267 | Recreation strategy for the River Thames |
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| 268 | Information [on the NRA Anglian Region] |
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| 269 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
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| 270 | Navigations in the Anglian region (EA) |
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| 271 | The Atlantic Salmon Trust Journal 2011 |
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| 272 | Environmental snapshot for the Anglian region 2002 |
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| 273 | Holding back the sea - ripples 3 |
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| 274 | Fish, fisheries and the Water Framework Directive |
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| 275 | A history of the By Brook |
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