226 | Garden with care and protect the environment |
227 | Navigations in the Anglian Region (NRA) |
228 | Canoeist guide to the River Severn |
229 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
230 | 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 |
231 | Shrewsbury flood defences : the next steps |
232 | The Restoration of Vegetation on Saltmarshes |
233 | Lake Mutanda in the Kigezi District |
234 | A user's guide to the River Thames |
235 | The River Ogmore action plan support document |
236 | About the North West region : factfile |
237 | On duty round the clock : fact file |
238 | The National Rivers Authority : fact file |
239 | Evaluation of the Close Season in Canals |
240 | Sustainability examples from the USA and Canada |
241 | Site supervision of the Beach Nourishment Scheme |
242 | Changes to the water abstraction licensing system |
243 | The Tame catchment (NRA Severn-Trent 67) |
244 | Fishery survey of the Doniford Stream 1994 |
245 | Fishery survey of the Horner Water catchment |
246 | Fishery survey of the River Yeo catchment |
247 | Fishery survey of the Congresbury Yeo, 1994 |
248 | Fishery survey of the River Isle catchment |
249 | Determining The Freshwater Flow Needs Of Estuaries |
250 | The Trophic Diatom Index: A User's Manual; |