226 | The National Rivers Authority : fact file |
227 | Evaluation of the Close Season in Canals |
228 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
229 | Factors affecting the dispersal of coarse fish |
230 | Sustainability examples from the USA and Canada |
231 | Site supervision of the Beach Nourishment Scheme |
232 | Changes to the water abstraction licensing system |
233 | Determining The Freshwater Flow Needs Of Estuaries |
234 | The Trophic Diatom Index: A User's Manual; |
235 | Shoreline management plans in the Anglian region |
236 | The future of shoreline management : conference papers |
237 | Duties and powers of the Environment Agency |
238 | Hydropower developments and the National Rivers Authority |
239 | Biological investigation of the Common Lake Stream |
240 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
241 | The Ecology of Four Scarce Wetland Molluscs |
242 | Recreational waterway byelaws in the Anglian region |
243 | Endocrine Disruption in the Marine Environment |
244 | A brief guide to the medway |
245 | A brief guide to the thames |
246 | The source : a guide to NRA services |
247 | We care for the environment : could you? |
248 | What's happening in the North East |
249 | What's happening in the South West |
250 | Determining The Causes Of 'Apparent Eutrophication' Effects |