226 | On duty round the clock : fact file |
227 | The National Rivers Authority : fact file |
228 | Evaluation of the Close Season in Canals |
229 | Site supervision of the Beach Nourishment Scheme |
230 | Changes to the water abstraction licensing system |
231 | The Tame catchment (NRA Severn-Trent 67) |
232 | Fishery survey of the Horner Water catchment |
233 | Fishery survey of the River Yeo catchment |
234 | Fishery survey of the Congresbury Yeo, 1994 |
235 | Fishery survey of the River Isle catchment |
236 | Determining The Freshwater Flow Needs Of Estuaries |
237 | The Trophic Diatom Index: A User's Manual; |
238 | River water quality in the Midlands 1997 |
239 | River water quality in the Midlands 1998 |
240 | Duties and powers of the Environment Agency |
241 | Hydropower developments and the National Rivers Authority |
242 | Biological investigation of the Common Lake Stream |
243 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
244 | The Ecology of Four Scarce Wetland Molluscs |
245 | Recreational waterway byelaws in the Anglian region |
246 | Endocrine Disruption in the Marine Environment |
247 | A brief guide to the medway |
248 | A brief guide to the thames |
249 | Study of the River Stour, Kent |
250 | The source : a guide to NRA services |