326 | Changes to the water abstraction licensing system |
327 | The Tame catchment (NRA Severn-Trent 67) |
328 | Fishery survey of the Doniford Stream 1994 |
329 | Fishery survey of the Horner Water catchment |
330 | Fishery survey of the River Yeo catchment |
331 | Fishery survey of the Congresbury Yeo, 1994 |
332 | Fishery survey of the River Isle catchment |
333 | Determining The Freshwater Flow Needs Of Estuaries |
334 | The Trophic Diatom Index: A User's Manual; |
335 | River water quality in the Midlands 1997 |
336 | River water quality in the Midlands 1998 |
337 | Shoreline management plans in the Anglian region |
338 | The future of shoreline management : conference papers |
339 | Duties and powers of the Environment Agency |
340 | Hydropower developments and the National Rivers Authority |
341 | Biological investigation of the Common Lake Stream |
342 | 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 |
343 | The Ecology of Four Scarce Wetland Molluscs |
344 | Recreational waterway byelaws in the Anglian region |
345 | Endocrine Disruption in the Marine Environment |
346 | A brief guide to the medway |
347 | A brief guide to the thames |
348 | Study of the River Stour, Kent |
349 | The source : a guide to NRA services |
350 | We care for the environment : could you? |