| 351 | Water resources for the future : a summary of the strategy for North West Region |
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| 352 | Water resources for the future : a summary of the strategy for South West region |
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| 353 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
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| 354 | Water for the future in Kent : NRA response to the issues and options report |
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| 355 | Review of flood defence practices on the Somerset Levels and Moors : the appendices |
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| 356 | Review of flood defence practices on the Somerset Levels and Moors : the report |
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| 357 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
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| 358 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
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| 359 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
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| 360 | Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals |
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| 361 | The physical character of rivers and streams in the UK and Isle of Man |
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| 362 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 363 | The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990 |
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| 364 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
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| 365 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
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| 366 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
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| 367 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
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| 368 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
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| 369 | A brief history of the River Stour navigation : 1705 to the present day |
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| 370 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
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| 371 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
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| 372 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
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| 373 | The land-use planning system and the Water Framework Directive (can't read barcode) |
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| 374 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England; |
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| 375 | 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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