| 251 | Biological investigation of the Common Lake Stream |
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| 252 | 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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| 253 | The Ecology of Four Scarce Wetland Molluscs |
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| 254 | Recreational waterway byelaws in the Anglian region |
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| 255 | A brief guide to the medway |
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| 256 | A brief guide to the thames |
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| 257 | Study of the River Stour, Kent |
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| 258 | The source : a guide to NRA services |
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| 259 | The River Thame : catchment review : march 1996 |
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| 260 | Phosphate in the cut-off channel |
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| 261 | Determining The Causes Of 'Apparent Eutrophication' Effects |
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| 262 | Public participation and the Water Framework Directive |
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| 263 | Guide to the Medway navigation 1994 |
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| 264 | Agriculture and the Water Framework Directive |
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| 265 | Diffuse pollution and the water framework directive |
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| 266 | Recreational waterways in the anglian region |
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| 267 | Conoeists' guide to the River Wye |
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| 268 | The Ely Ouse Essex water transfer scheme |
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| 269 | Whitacre-Shustoke Reservoir improvements. The sedimentary phosphorus content on the Lower Shustoke Reservoir |
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| 270 | 1966 - The IBP compound when the team first arrived at Lake George in December 1966. |
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| 271 | Water resources for the future : a summary of the strategy for Southern region |
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| 272 | Water resources for the future : a summary of the strategy for Anglian Region |
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| 273 | Clouding: the issue. An appraisal of the effects of turbidity in aquatic systems |
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| 274 | The Possible effects on migratory fish in the River Dee of increased water abstraction |
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| 275 | Study of the behaviour and impact of two sewage treatment works of the Thames catchment |
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