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