326 | Duties and powers of the Environment Agency |
327 | Hydropower developments and the National Rivers Authority |
328 | Biological investigation of the Common Lake Stream |
329 | 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 |
330 | The Ecology of Four Scarce Wetland Molluscs |
331 | Recreational waterway byelaws in the Anglian region |
332 | A brief guide to the medway |
333 | A brief guide to the thames |
334 | Study of the River Stour, Kent |
335 | The source : a guide to NRA services |
336 | We care for the environment : could you? |
337 | What's happening in the North East |
338 | What's happening in the South West |
339 | The River Thame : catchment review : march 1996 |
340 | Phosphate in the cut-off channel |
341 | Determining The Causes Of 'Apparent Eutrophication' Effects |
342 | Public participation and the Water Framework Directive |
343 | Guide to the Medway navigation 1994 |
344 | Agriculture and the Water Framework Directive |
345 | A Demonstration Of The Feasibility Of Soilpacs |
346 | Diffuse pollution and the water framework directive |
347 | The Great Ouse (Bedford Ouse) fact file |
348 | The River Lark project Final Report |
349 | Recreational waterways in the anglian region |
350 | Conoeists' guide to the River Wye |