| 226 | On duty round the clock : fact file |
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| 227 | The National Rivers Authority : fact file |
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| 228 | Evaluation of the Close Season in Canals |
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| 229 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
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| 230 | Factors affecting the dispersal of coarse fish |
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| 231 | Sustainability examples from the USA and Canada |
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| 232 | Changes to the water abstraction licensing system |
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| 233 | Determining The Freshwater Flow Needs Of Estuaries |
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| 234 | The Trophic Diatom Index: A User's Manual; |
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| 235 | Duties and powers of the Environment Agency |
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| 236 | Hydropower developments and the National Rivers Authority |
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| 237 | Biological investigation of the Common Lake Stream |
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| 238 | The Ecology of Four Scarce Wetland Molluscs |
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| 239 | Endocrine Disruption in the Marine Environment |
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| 240 | Study of the River Stour, Kent |
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| 241 | The source : a guide to NRA services |
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| 242 | Phosphate in the cut-off channel |
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| 243 | Determining The Causes Of 'Apparent Eutrophication' Effects |
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| 244 | Public participation and the Water Framework Directive |
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| 245 | Guide to the Medway navigation 1994 |
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| 246 | Agriculture and the Water Framework Directive |
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| 247 | Achieving the quality : annex : programme of environmental obligations agreed by the Secretary of State for the Environment, Transport and the Regions and for Wales for individual water companies |
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| 248 | A Demonstration Of The Feasibility Of Soilpacs |
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| 249 | Diffuse pollution and the water framework directive |
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| 250 | The Great Ouse (Bedford Ouse) fact file |
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