251 | Changes to the water abstraction licensing system |
252 | The Tame catchment (NRA Severn-Trent 67) |
253 | Fishery survey of the Doniford Stream 1994 |
254 | Fishery survey of the Horner Water catchment |
255 | Fishery survey of the River Yeo catchment |
256 | Fishery survey of the Congresbury Yeo, 1994 |
257 | Fishery survey of the River Isle catchment |
258 | The Trophic Diatom Index: A User's Manual; |
259 | River water quality in the Midlands 1997 |
260 | River water quality in the Midlands 1998 |
261 | Shoreline management plans in the Anglian region |
262 | The future of shoreline management : conference papers |
263 | Duties and powers of the Environment Agency |
264 | Biological investigation of the Common Lake Stream |
265 | The Ecology of Four Scarce Wetland Molluscs |
266 | Recreational waterway byelaws in the Anglian region |
267 | A brief guide to the medway |
268 | A brief guide to the thames |
269 | Study of the River Stour, Kent |
270 | The source : a guide to NRA services |
271 | We care for the environment : could you? |
272 | What's happening in the North East |
273 | What's happening in the South West |
274 | The River Thame : catchment review : march 1996 |
275 | Phosphate in the cut-off channel |