226 | Evaluation of the Close Season in Canals |
227 | Site supervision of the Beach Nourishment Scheme |
228 | Changes to the water abstraction licensing system |
229 | The Tame catchment (NRA Severn-Trent 67) |
230 | Fishery survey of the Doniford Stream 1994 |
231 | Fishery survey of the Horner Water catchment |
232 | Fishery survey of the River Yeo catchment |
233 | Fishery survey of the Congresbury Yeo, 1994 |
234 | Fishery survey of the River Isle catchment |
235 | Determining The Freshwater Flow Needs Of Estuaries |
236 | The Trophic Diatom Index: A User's Manual; |
237 | River water quality in the Midlands 1997 |
238 | River water quality in the Midlands 1998 |
239 | Duties and powers of the Environment Agency |
240 | Hydropower developments and the National Rivers Authority |
241 | Biological investigation of the Common Lake Stream |
242 | 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 |
243 | The Ecology of Four Scarce Wetland Molluscs |
244 | Recreational waterway byelaws in the Anglian region |
245 | A brief guide to the medway |
246 | A brief guide to the thames |
247 | Study of the River Stour, Kent |
248 | The source : a guide to NRA services |
249 | Phosphate in the cut-off channel |
250 | Determining The Causes Of 'Apparent Eutrophication' Effects |