276 | Fishery survey of the Horner Water catchment |
277 | Fishery survey of the River Yeo catchment |
278 | Fishery survey of the Congresbury Yeo, 1994 |
279 | Fishery survey of the River Isle catchment |
280 | The Trophic Diatom Index: A User's Manual; |
281 | River water quality in the Midlands 1997 |
282 | River water quality in the Midlands 1998 |
283 | Shoreline management plans in the Anglian region |
284 | The future of shoreline management : conference papers |
285 | Hydropower developments and the National Rivers Authority |
286 | Biological investigation of the Common Lake Stream |
287 | 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 |
288 | The Ecology of Four Scarce Wetland Molluscs |
289 | Recreational waterway byelaws in the Anglian region |
290 | A brief guide to the medway |
291 | A brief guide to the thames |
292 | Study of the River Stour, Kent |
293 | The source : a guide to NRA services |
294 | We care for the environment : could you? |
295 | What's happening in the North East |
296 | The River Thame : catchment review : march 1996 |
297 | Phosphate in the cut-off channel |
298 | Determining The Causes Of 'Apparent Eutrophication' Effects |
299 | Public participation and the Water Framework Directive |
300 | Guide to the Medway navigation 1994 |