251 | A user's guide to the River Thames |
252 | The River Ogmore action plan support document |
253 | About the North West region : factfile |
254 | On duty round the clock : fact file |
255 | The National Rivers Authority : fact file |
256 | Evaluation of the Close Season in Canals |
257 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
258 | Factors affecting the dispersal of coarse fish |
259 | Sustainability examples from the USA and Canada |
260 | Site supervision of the Beach Nourishment Scheme |
261 | Changes to the water abstraction licensing system |
262 | The Tame catchment (NRA Severn-Trent 67) |
263 | Fishery survey of the Doniford Stream 1994 |
264 | Fishery survey of the Horner Water catchment |
265 | Fishery survey of the River Yeo catchment |
266 | Fishery survey of the Congresbury Yeo, 1994 |
267 | Fishery survey of the River Isle catchment |
268 | Determining The Freshwater Flow Needs Of Estuaries |
269 | The Trophic Diatom Index: A User's Manual; |
270 | River water quality in the Midlands 1997 |
271 | River water quality in the Midlands 1998 |
272 | Shoreline management plans in the Anglian region |
273 | The future of shoreline management : conference papers |
274 | Biological investigation of the Common Lake Stream |
275 | 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 |