176 | Evaluating The Benefits Of Hydrometric Networks |
177 | The River Severn (NRA Severn-Trent 65) |
178 | The Recreational Use of Floodbanks Phase 1 |
179 | General introduction to the Water Framework Directive |
180 | Pesticides in the aquatic environment 1995 |
181 | Garden with care and protect the environment |
182 | Navigations in the Anglian Region (NRA) |
183 | Canoeist guide to the River Severn |
184 | The Restoration of Vegetation on Saltmarshes |
185 | Lake Mutanda in the Kigezi District |
186 | A user's guide to the River Thames |
187 | About the North West region : factfile |
188 | On duty round the clock : fact file |
189 | The National Rivers Authority : fact file |
190 | Evaluation of the Close Season in Canals |
191 | Site supervision of the Beach Nourishment Scheme |
192 | Changes to the water abstraction licensing system |
193 | The Tame catchment (NRA Severn-Trent 67) |
194 | Determining The Freshwater Flow Needs Of Estuaries |
195 | The Trophic Diatom Index: A User's Manual; |
196 | River water quality in the Midlands 1997 |
197 | River water quality in the Midlands 1998 |
198 | Duties and powers of the Environment Agency |
199 | Hydropower developments and the National Rivers Authority |
200 | Biological investigation of the Common Lake Stream |