| 301 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
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| 302 | Hydropower : a handbook for water resources staff. Volume 027 |
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| 303 | Navigations in the Anglian region (EA) |
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| 304 | Wimbleball pumped storage scheme : review of environmental statement (appendix B3) : implications for water quality in Wimbleball Reservoir, the River Exe (non QUASAR) parameters) and the Exe estuary |
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| 305 | Physical environment for river invertebrate communities (346/2/A) : interim report |
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| 306 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
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| 307 | River Otter : environmental data review. Volume 3 : figures and tables : River Otter environmental study 1993/94 |
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| 308 | River quality : July 1992 - June 1993 |
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| 309 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report |
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| 310 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 311 | Stanmoor Bank : feasibilty study and appraisal report. Alternative scheme options. Vol 2 : appendices D-I |
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| 312 | The Tyne catchment (river factfiles) |
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| 313 | The Calder catchment (river factfiles) |
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| 314 | National Rivers Authority annual report and accounts 1989/90 |
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| 315 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
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| 316 | River Mole derogation fisheries survey : Thames Metropolitan 1989 |
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| 317 | River Otter catchment river water quality classification 1991 |
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| 318 | River Camel catchment river water quality classification 1991 |
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| 319 | River Tamar EC freshwater fish directive failure 1994 : final draft report, June 1996 COR/96/005 |
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| 320 | Flood warning information for Oxfordshire, South Northamptonshire and West Buckinghamshire : River Cherwell catchment |
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| 321 | Using Macrophytes for the Environmental Assessment of Rivers: The Role of Sediment Nutrients |
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| 322 | Managing water resources in Welsh Region (bilingual) : Rheoli Adnoddau Dwr Yn Rhanbarth Cymru |
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| 323 | Restoration of riverine fisheries habitats - first progress report for period July 1991 - February 1992 |
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| 324 | Cornwall area farm campaign : catchment 27a : River Neet - Langford Bridge to Strat Confluence |
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| 325 | A comparison between two methods of dissolved oxygen measurement in rivers |
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