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