251 | The River Severn (NRA Severn-Trent 65) |
252 | The Recreational Use of Floodbanks Phase 1 |
253 | General introduction to the Water Framework Directive |
254 | Pesticides in the aquatic environment 1995 |
255 | Garden with care and protect the environment |
256 | Navigations in the Anglian Region (NRA) |
257 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
258 | 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 |
259 | Recreational waterways in the Anglian region : byelaws |
260 | Shrewsbury flood defences : the next steps |
261 | The Restoration of Vegetation on Saltmarshes |
262 | Lake Mutanda in the Kigezi District |
263 | A user's guide to the River Thames |
264 | The River Ogmore action plan support document |
265 | About the North West region : factfile |
266 | On duty round the clock : fact file |
267 | The National Rivers Authority : fact file |
268 | Evaluation of the Close Season in Canals |
269 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
270 | Factors affecting the dispersal of coarse fish |
271 | Sustainability examples from the USA and Canada |
272 | Site supervision of the Beach Nourishment Scheme |
273 | Changes to the water abstraction licensing system |
274 | Determining The Freshwater Flow Needs Of Estuaries |
275 | The Trophic Diatom Index: A User's Manual; |