| 251 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
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| 252 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 253 | 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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| 254 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
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| 255 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 256 | Environmental snapshot for the East of England [version 1] |
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| 257 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 258 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 259 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 260 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 261 | Quality audit of biological samples for the 1991 river quality survey |
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| 262 | Pesticides in the aquatic environment 1997 full report |
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| 263 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 264 | The precious resource : a brief guide to managing our water resources |
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| 265 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 266 | Priority and other specific polluting substances and the Water Framework Directive |
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| 267 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
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| 268 | Problems with sea trout and salmon in the Western Highlands |
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| 269 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 270 | The Cam catchment : recommendations for statutory water quality objectives |
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| 271 | The National Centre for Toxic and Persistent Substances |
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| 272 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 273 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 274 | Water from the River Dee : a working partnership |
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| 275 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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