| 226 | Hydropower developments and the National Rivers Authority |
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| 227 | Biological investigation of the Common Lake Stream |
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| 228 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
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| 229 | The Ecology of Four Scarce Wetland Molluscs |
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| 230 | Recreational waterway byelaws in the Anglian region |
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| 231 | Endocrine Disruption in the Marine Environment |
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| 232 | A brief guide to the medway |
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| 233 | A brief guide to the thames |
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| 234 | The source : a guide to NRA services |
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| 235 | We care for the environment : could you? |
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| 236 | What's happening in the North East |
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| 237 | What's happening in the South West |
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| 238 | Determining The Causes Of 'Apparent Eutrophication' Effects |
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| 239 | Public participation and the Water Framework Directive |
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| 240 | Agriculture and the Water Framework Directive |
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| 241 | Achieving the quality : annex : programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales for individual water companies |
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| 242 | A Demonstration Of The Feasibility Of Soilpacs |
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| 243 | Diffuse pollution and the water framework directive |
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| 244 | The Great Ouse (Bedford Ouse) fact file |
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| 245 | Recreational waterways in the anglian region |
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| 246 | Conoeists' guide to the River Wye |
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| 247 | Whitacre-Shustoke Reservoir improvements. The sedimentary phosphorus content on the Lower Shustoke Reservoir |
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| 248 | 1966 - The IBP compound when the team first arrived at Lake George in December 1966. |
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| 249 | Water resources for the future : a summary of the strategy for Southern region |
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| 250 | Water resources for the future : a summary of the strategy for Anglian Region |
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