226 | A user's guide to the River Thames |
227 | The River Ogmore action plan support document |
228 | About the North West region : factfile |
229 | On duty round the clock : fact file |
230 | The National Rivers Authority : fact file |
231 | Evaluation of the Close Season in Canals |
232 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
233 | Factors affecting the dispersal of coarse fish |
234 | Sustainability examples from the USA and Canada |
235 | Changes to the water abstraction licensing system |
236 | Determining The Freshwater Flow Needs Of Estuaries |
237 | The Trophic Diatom Index: A User's Manual; |
238 | Duties and powers of the Environment Agency |
239 | Hydropower developments and the National Rivers Authority |
240 | Biological investigation of the Common Lake Stream |
241 | The Ecology of Four Scarce Wetland Molluscs |
242 | Endocrine Disruption in the Marine Environment |
243 | Study of the River Stour, Kent |
244 | The source : a guide to NRA services |
245 | The River Thame : catchment review : march 1996 |
246 | Phosphate in the cut-off channel |
247 | Determining The Causes Of 'Apparent Eutrophication' Effects |
248 | Public participation and the Water Framework Directive |
249 | Guide to the Medway navigation 1994 |
250 | Agriculture and the Water Framework Directive |