226 | Canoeist guide to the River Severn |
227 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
228 | Recreational waterways in the Anglian region : byelaws |
229 | The Restoration of Vegetation on Saltmarshes |
230 | Lake Mutanda in the Kigezi District |
231 | A user's guide to the River Thames |
232 | About the North West region : factfile |
233 | On duty round the clock : fact file |
234 | The National Rivers Authority : fact file |
235 | Evaluation of the Close Season in Canals |
236 | Site supervision of the Beach Nourishment Scheme |
237 | Changes to the water abstraction licensing system |
238 | The Tame catchment (NRA Severn-Trent 67) |
239 | Fishery survey of the Doniford Stream 1994 |
240 | Fishery survey of the Horner Water catchment |
241 | Fishery survey of the River Yeo catchment |
242 | Fishery survey of the Congresbury Yeo, 1994 |
243 | Fishery survey of the River Isle catchment |
244 | Determining The Freshwater Flow Needs Of Estuaries |
245 | The Trophic Diatom Index: A User's Manual; |
246 | River water quality in the Midlands 1997 |
247 | River water quality in the Midlands 1998 |
248 | Duties and powers of the Environment Agency |
249 | Hydropower developments and the National Rivers Authority |
250 | Biological investigation of the Common Lake Stream |