226 | Fishery survey of the Congresbury Yeo, 1994 |
227 | Monitoring the trophic state of reservoirs
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228 | Evaluation of the Close Season in Canals |
229 | Flood defences : the Lower Witham strategy |
230 | Water Quality of the Humber Estuary 1986 |
231 | Fishery survey of the River Yeo catchment |
232 | About the North West region : factfile |
233 | Duties and powers of the Environment Agency |
234 | Evaluating The Benefits Of Hydrometric Networks |
235 | Freshwater Algal Flora of the British Isles |
236 | Green Household Index - The Eco-Cal |
237 | Guardians of the water environment (bilingual document) |
238 | On duty round the clock : fact file |
239 | Pesticides in the aquatic environment 1996 |
240 | The Restoration of Vegetation on Saltmarshes |
241 | The River Ogmore action plan support document |
242 | Constructive thinking : save water, save the environment |
243 | River water quality in the Midlands 1997 |
244 | The Environment Agency navigations : Thames, Anglian, Southern |
245 | Pollution control on the River Alt |
246 | The National Rivers Authority : fact file |
247 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
248 | A Review of the Application of |
249 | Ecology and the Water Framework Directive |
250 | Changes to the water abstraction licensing system |