276 | On duty round the clock : fact file |
277 | The National Rivers Authority : fact file |
278 | Evaluation of the Close Season in Canals |
279 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
280 | Factors affecting the dispersal of coarse fish |
281 | Sustainability examples from the USA and Canada |
282 | Site supervision of the Beach Nourishment Scheme |
283 | Changes to the water abstraction licensing system |
284 | Determining The Freshwater Flow Needs Of Estuaries |
285 | The Trophic Diatom Index: A User's Manual; |
286 | Shoreline management plans in the Anglian region |
287 | The future of shoreline management : conference papers |
288 | Duties and powers of the Environment Agency |
289 | Hydropower developments and the National Rivers Authority |
290 | Biological investigation of the Common Lake Stream |
291 | 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 |
292 | The Ecology of Four Scarce Wetland Molluscs |
293 | Recreational waterway byelaws in the Anglian region |
294 | Endocrine Disruption in the Marine Environment |
295 | A brief guide to the medway |
296 | A brief guide to the thames |
297 | Study of the River Stour, Kent |
298 | The source : a guide to NRA services |
299 | We care for the environment : could you? |
300 | What's happening in the South West |