276 | The Tame catchment (NRA Severn-Trent 67) |
277 | Determining The Freshwater Flow Needs Of Estuaries |
278 | The Trophic Diatom Index: A User's Manual; |
279 | Duties and powers of the Environment Agency |
280 | Hydropower developments and the National Rivers Authority |
281 | 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 |
282 | The Ecology of Four Scarce Wetland Molluscs |
283 | Endocrine Disruption in the Marine Environment |
284 | A brief guide to the medway |
285 | A brief guide to the thames |
286 | Study of the River Stour, Kent |
287 | The source : a guide to NRA services |
288 | We care for the environment : could you? |
289 | What's happening in the North East |
290 | What's happening in the South West |
291 | The River Thame : catchment review : march 1996 |
292 | Phosphate in the cut-off channel |
293 | Determining The Causes Of 'Apparent Eutrophication' Effects |
294 | Public participation and the Water Framework Directive |
295 | Guide to the Medway navigation 1994 |
296 | Agriculture and the Water Framework Directive |
297 | Achieving the quality : annex : programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales for individual water companies |
298 | A Demonstration Of The Feasibility Of Soilpacs |
299 | Diffuse pollution and the water framework directive |
300 | The Great Ouse (Bedford Ouse) fact file |