276 | Clear Options towards an operational model for the Lee Valley Reservoirs |
277 | The Cam catchment : recommendations for statutory water quality objectives |
278 | The National Centre for Toxic and Persistent Substances |
279 | Algal blooms in the Lower Tees- Perspectives and prospects
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280 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
281 | Water from the River Dee : a working partnership |
282 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
283 | River quality in England and Wales : a report of the 1990 survey |
284 | Snapshots of the environment : understanding coastal water quality |
285 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
286 | The Mersey estuary : a report on environmental quality |
287 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
288 | Catches of migratory fish in the River Don, Aberdeenshire |
289 | Stream survey and assessment in the Ashford and Folkestone areas |
290 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
291 | The 1990 river and estuary classification survey of England and Wales |
292 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
293 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
294 | Model For Investigating The Impacts Of Groundwater Abstraction |
295 | Operational mechanisms for the protection and enhancement of headwaters |
296 | The Impact of Grazing and Upland Management on Erosion and Runoff |
297 | Water resources for the future : a strategy for Midlands Region |
298 | The feasibility of biomanipulation in reservoirs and deeper lakes : draft final report |
299 | Distribution of Azolla in the Great Ouse catchment |
300 | Investigation into the cause of high phenols in Budleigh Brook (1998) |