251 | Fishery survey of the Doniford Stream 1994 |
252 | Fishery survey of the Horner Water catchment |
253 | Fishery survey of the River Yeo catchment |
254 | Fishery survey of the Congresbury Yeo, 1994 |
255 | Fishery survey of the River Isle catchment |
256 | The Trophic Diatom Index: A User's Manual; |
257 | River water quality in the Midlands 1997 |
258 | River water quality in the Midlands 1998 |
259 | Shoreline management plans in the Anglian region |
260 | The future of shoreline management : conference papers |
261 | Duties and powers of the Environment Agency |
262 | Biological investigation of the Common Lake Stream |
263 | The Ecology of Four Scarce Wetland Molluscs |
264 | Recreational waterway byelaws in the Anglian region |
265 | A brief guide to the medway |
266 | A brief guide to the thames |
267 | Study of the River Stour, Kent |
268 | The source : a guide to NRA services |
269 | We care for the environment : could you? |
270 | What's happening in the North East |
271 | What's happening in the South West |
272 | The River Thame : catchment review : march 1996 |
273 | Phosphate in the cut-off channel |
274 | Determining The Causes Of 'Apparent Eutrophication' Effects |
275 | Public participation and the Water Framework Directive |