251 | Site supervision of the Beach Nourishment Scheme |
252 | Changes to the water abstraction licensing system |
253 | The Tame catchment (NRA Severn-Trent 67) |
254 | Fishery survey of the Doniford Stream 1994 |
255 | Fishery survey of the Horner Water catchment |
256 | Fishery survey of the River Yeo catchment |
257 | Fishery survey of the Congresbury Yeo, 1994 |
258 | Fishery survey of the River Isle catchment |
259 | The Trophic Diatom Index: A User's Manual; |
260 | River water quality in the Midlands 1997 |
261 | River water quality in the Midlands 1998 |
262 | Shoreline management plans in the Anglian region |
263 | The future of shoreline management : conference papers |
264 | Hydropower developments and the National Rivers Authority |
265 | Biological investigation of the Common Lake Stream |
266 | 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 |
267 | The Ecology of Four Scarce Wetland Molluscs |
268 | Recreational waterway byelaws in the Anglian region |
269 | A brief guide to the medway |
270 | A brief guide to the thames |
271 | Study of the River Stour, Kent |
272 | The source : a guide to NRA services |
273 | We care for the environment : could you? |
274 | What's happening in the North East |
275 | The River Thame : catchment review : march 1996 |