| 226 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 227 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
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| 228 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
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| 229 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 230 | Environmental snapshot for the East of England [version 1] |
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| 231 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 232 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 233 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 234 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 235 | Quality audit of biological samples for the 1991 river quality survey |
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| 236 | Pesticides in the aquatic environment 1997 full report |
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| 237 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 238 | The precious resource : a brief guide to managing our water resources |
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| 239 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 240 | Priority and other specific polluting substances and the Water Framework Directive |
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| 241 | Problems with sea trout and salmon in the Western Highlands |
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| 242 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 243 | The Cam catchment : recommendations for statutory water quality objectives |
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| 244 | The National Centre for Toxic and Persistent Substances |
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| 245 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 246 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 247 | Water from the River Dee : a working partnership |
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| 248 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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| 249 | River quality in England and Wales : a report of the 1990 survey |
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| 250 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
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