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