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