251 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
252 | The precious resource : a brief guide to managing our water resources |
253 | Quantification of the relationship between effluent quality and biological quality : final report |
254 | Priority and other specific polluting substances and the Water Framework Directive |
255 | Problems with sea trout and salmon in the Western Highlands |
256 | Clear Options towards an operational model for the Lee Valley Reservoirs |
257 | The Cam catchment : recommendations for statutory water quality objectives |
258 | The National Centre for Toxic and Persistent Substances |
259 | Algal blooms in the Lower Tees- Perspectives and prospects
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260 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
261 | Water from the River Dee : a working partnership |
262 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
263 | River quality in England and Wales : a report of the 1990 survey |
264 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
265 | The Mersey estuary : a report on environmental quality |
266 | Catches of migratory fish in the River Don, Aberdeenshire |
267 | Stream survey and assessment in the Ashford and Folkestone areas |
268 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
269 | The 1990 river and estuary classification survey of England and Wales |
270 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
271 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
272 | Model For Investigating The Impacts Of Groundwater Abstraction |
273 | The Impact of Grazing and Upland Management on Erosion and Runoff |
274 | Water resources for the future : a strategy for Midlands Region |
275 | Water resources for the future : a strategy for Southern region |