301 | The Trophic Diatom Index: A User's Manual; |
302 | River water quality in the Midlands 1997 |
303 | River water quality in the Midlands 1998 |
304 | Shoreline management plans in the Anglian region |
305 | The future of shoreline management : conference papers |
306 | Duties and powers of the Environment Agency |
307 | Hydropower developments and the National Rivers Authority |
308 | Biological investigation of the Common Lake Stream |
309 | 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 |
310 | The Ecology of Four Scarce Wetland Molluscs |
311 | Recreational waterway byelaws in the Anglian region |
312 | Endocrine Disruption in the Marine Environment |
313 | A brief guide to the medway |
314 | A brief guide to the thames |
315 | Study of the River Stour, Kent |
316 | The source : a guide to NRA services |
317 | We care for the environment : could you? |
318 | What's happening in the North East |
319 | What's happening in the South West |
320 | The River Thame : catchment review : march 1996 |
321 | Phosphate in the cut-off channel |
322 | Determining The Causes Of 'Apparent Eutrophication' Effects |
323 | Public participation and the Water Framework Directive |
324 | Guide to the Medway navigation 1994 |
325 | Agriculture and the Water Framework Directive |