| 401 | Water resources for the future : a summary of the strategy for South West region |
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| 402 | Running with the tide : reconciling development pressures with flood risk and the environment |
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| 403 | Water for the future in Kent : NRA response to the issues and options report |
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| 404 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
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| 405 | Review of flood defence practices on the Somerset Levels and Moors : the report |
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| 406 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
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| 407 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
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| 408 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
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| 409 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
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| 410 | The physical character of rivers and streams in the UK and Isle of Man |
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| 411 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 412 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
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| 413 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
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| 414 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
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| 415 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
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| 416 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
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| 417 | An investigation into the effects of Alton sewage works on the River Wey North |
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| 418 | A brief history of the River Stour navigation : 1705 to the present day |
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| 419 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
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| 420 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
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| 421 | The land-use planning system and the Water Framework Directive (can't read barcode) |
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| 422 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England; |
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| 423 | Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary |
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| 424 | A review of the use of multifunction wardens in the Devon Area of the South Western Region of the National Rivers Authority, with particular reference to their use within the fisheries function |
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| 425 | Responses to 'Outlook for the environment' : a summary of the responses to the Environment Agency's consulation on the priorities for investment by water companies in environmental improvements as part of the Periodic Review |
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