226 | Navigations in the Anglian Region (NRA) |
227 | Canoeist guide to the River Severn |
228 | Lake restoration : the role of biomanipulation : a one day seminar held in the Broads 18th March 1993 : organised by the National Rivers Authority and the Broads Authority |
229 | The Restoration of Vegetation on Saltmarshes |
230 | Lake Mutanda in the Kigezi District |
231 | A user's guide to the River Thames |
232 | The River Ogmore action plan support document |
233 | About the North West region : factfile |
234 | On duty round the clock : fact file |
235 | The National Rivers Authority : fact file |
236 | Evaluation of the Close Season in Canals |
237 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
238 | Factors affecting the dispersal of coarse fish |
239 | Sustainability examples from the USA and Canada |
240 | Changes to the water abstraction licensing system |
241 | Determining The Freshwater Flow Needs Of Estuaries |
242 | The Trophic Diatom Index: A User's Manual; |
243 | Duties and powers of the Environment Agency |
244 | Hydropower developments and the National Rivers Authority |
245 | Biological investigation of the Common Lake Stream |
246 | The Ecology of Four Scarce Wetland Molluscs |
247 | Endocrine Disruption in the Marine Environment |
248 | Study of the River Stour, Kent |
249 | The source : a guide to NRA services |
250 | The River Thame : catchment review : march 1996 |