176 | Abandoned mines and the water environment : report of the National Rivers Authority |
177 | The disinfection of the Manchester Square Outfall, Blackpool, 1993 |
178 | The development of the Gammarus pulex feeding rate Bioassay |
179 | Mechanisms of Water Storage in the Unsaturated Zone of the Chalk Aquifer |
180 | Preventing the spread of crayfish plague in the South West |
181 | Technical Summary - Alternative Approaches to Assessing the Aesthetic Quality of the Environment |
182 | The Effectiveness of Liners in Inhibiting the Migration of Landfill Gas |
183 | Battling the tide : flood defences in the Anglian region |
184 | Salmon in the Dee catchment: the scientific basis for management |
185 | Data on the effects of Parathion in the freshwater environment |
186 | Economic elements of the Environment Agency's implementation of the Water Framework Directive |
187 | Assessing the Impact of Agricultural Pesticides in the Aquatic Environment: Phase II |
188 | Pollution prevention in the '90's : the positive approach |
189 | The distribution of nutrients and phytoplankton in the North-East Irish Sea |
190 | Water resources for the future : a strategy for the East Midlands |
191 | Water resources for the future : a strategy for the West Midlands |
192 | Water resources for the future : a strategy for the West Midlands |
193 | Hydrometry : the science of measuring the water cycle |
194 | A report on the investigation of the Taff litter problem |
195 | Contaminated land and the water environment : report of the National Rivers Authority |
196 | Water resources for the future : a strategy for the East Midlands |
197 | The investigation of the Taff litter problem : report no. PL/EAE/89/2 |
198 | The effect of the voluntary initiative on water quality |
199 | River Darent : strategy for the enhancement of the River Darent, Kent |
200 | Report on the 1995 stock assessment of the Douglas catchment |