| 376 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
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| 377 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
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| 378 | National sea defence survey phase IVA : volume 8 : topographic drawings of the River Swale |
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| 379 | Review of environmental audits prepared by county councils in the North East area |
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| 380 | River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report |
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| 381 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
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| 382 | Lower Colne catchment management plan for flood defence and the environment : third draft |
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| 383 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
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| 384 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
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| 385 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 386 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
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| 387 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
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| 388 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
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| 389 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 390 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 391 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
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| 392 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 393 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 394 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 395 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 396 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 397 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
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| 398 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |
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| 399 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 400 | River Stort : draft catchment management plan for flood defence and the environment : May 1991 |
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