176 | A report on the investigation of the Taff litter problem |
177 | Abandoned mines and the water environment : report of the National Rivers Authority |
178 | The results of fish telemetry trails in the river Tawe estuary, 1991 |
179 | Hysim model : modelling the flows of the River Deben |
180 | An investigation into the effect of Farnham STW on the River Wey |
181 | Engineering the environment : profile of the Anglian Engineering Department |
182 | The effect of the voluntary initiative on water quality |
183 | Hydrometry : the science of measuring the water cycle |
184 | An investigation into the effects of Woking STW on the River Wey |
185 | The restoration of the River Ver : the success story of a collaborative project between the National Rivers Authority, Three Valleys Water and the Ver Valley Society |
186 | The Environment Agency's response to the House of Commons Environment Committee report on the environmental impact of cement manufacture |
187 | The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989 |
188 | The Transportation of the Maximum gain Salmon Spawning Target for the River Bush(N.I) to England and Wales |
189 | The modelling of water quality in the nitrate sensitive areas of the North Lincolnshire Wolds, Sleaford and Aswarby |
190 | The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition |
191 | An investigation into the flow interactions between the Spilsby Sandstone and the overlying aquifers of East Lincolnshire |
192 | Thames estuary benthic programme : inferences on the pollution status of the Thames estuary from the macrobenthic community structure |
193 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
194 | Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993 |
195 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
196 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
197 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
198 | Investigations into the extent of saline water ingress into the River Parrett and the River Tone : February, March 1994 |
199 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
200 | Managing the drought and water resources : key issues statements approved by the board of the NRA June 1992 |