326 | The Trophic Diatom Index: A User's Manual; |
327 | River water quality in the Midlands 1997 |
328 | River water quality in the Midlands 1998 |
329 | Shoreline management plans in the Anglian region |
330 | The future of shoreline management : conference papers |
331 | Duties and powers of the Environment Agency |
332 | Hydropower developments and the National Rivers Authority |
333 | Biological investigation of the Common Lake Stream |
334 | 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 |
335 | The Ecology of Four Scarce Wetland Molluscs |
336 | Recreational waterway byelaws in the Anglian region |
337 | Endocrine Disruption in the Marine Environment |
338 | A brief guide to the medway |
339 | A brief guide to the thames |
340 | Study of the River Stour, Kent |
341 | The source : a guide to NRA services |
342 | We care for the environment : could you? |
343 | What's happening in the North East |
344 | What's happening in the South West |
345 | The River Thame : catchment review : march 1996 |
346 | Phosphate in the cut-off channel |
347 | Determining The Causes Of 'Apparent Eutrophication' Effects |
348 | Public participation and the Water Framework Directive |
349 | Guide to the Medway navigation 1994 |
350 | Agriculture and the Water Framework Directive |