251 | Pesticides in the aquatic environment 1995 |
252 | Navigations in the Anglian Region (NRA) |
253 | Canoeist guide to the River Severn |
254 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
255 | 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 |
256 | Recreational waterways in the Anglian region : byelaws |
257 | Shrewsbury flood defences : the next steps |
258 | The Restoration of Vegetation on Saltmarshes |
259 | Lake Mutanda in the Kigezi District |
260 | A user's guide to the River Thames |
261 | The River Ogmore action plan support document |
262 | About the North West region : factfile |
263 | On duty round the clock : fact file |
264 | The National Rivers Authority : fact file |
265 | Evaluation of the Close Season in Canals |
266 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
267 | Factors affecting the dispersal of coarse fish |
268 | Sustainability examples from the USA and Canada |
269 | Site supervision of the Beach Nourishment Scheme |
270 | Changes to the water abstraction licensing system |
271 | The Tame catchment (NRA Severn-Trent 67) |
272 | Fishery survey of the Doniford Stream 1994 |
273 | Fishery survey of the Horner Water catchment |
274 | Fishery survey of the River Yeo catchment |
275 | Fishery survey of the Congresbury Yeo, 1994 |