| 301 | Duties and powers of the Environment Agency |
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| 302 | Hydropower developments and the National Rivers Authority |
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| 303 | Biological investigation of the Common Lake Stream |
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| 304 | 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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| 305 | The Ecology of Four Scarce Wetland Molluscs |
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| 306 | Recreational waterway byelaws in the Anglian region |
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| 307 | Endocrine Disruption in the Marine Environment |
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| 308 | A brief guide to the medway |
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| 309 | A brief guide to the thames |
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| 310 | Study of the River Stour, Kent |
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| 311 | The source : a guide to NRA services |
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| 312 | We care for the environment : could you? |
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| 313 | What's happening in the North East |
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| 314 | What's happening in the South West |
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| 315 | Phosphate in the cut-off channel |
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| 316 | Determining The Causes Of 'Apparent Eutrophication' Effects |
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| 317 | Guide to the Medway navigation 1994 |
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| 318 | 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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| 319 | A Demonstration Of The Feasibility Of Soilpacs |
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| 320 | The Great Ouse (Bedford Ouse) fact file |
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| 321 | The River Lark project Final Report |
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| 322 | Recreational waterways in the anglian region |
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| 323 | Conoeists' guide to the River Wye |
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| 324 | The Ely Ouse Essex water transfer scheme |
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| 325 | Whitacre-Shustoke Reservoir improvements. The sedimentary phosphorus content on the Lower Shustoke Reservoir |
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