| 601 | River water quality in the Midlands 1994/95 : water quality summary data |
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| 602 | Model Procedures for the Management of Land Contamination |
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| 603 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
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| 604 | Improving the contribution of social science to Flood Risk Management |
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| 605 | Reappraisal of the River Lee to Wheathampstead Mill |
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| 606 | Business requirement specification : integrated accounting system for the (IAS) |
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| 607 | A report on fish production in the National Rivers Authority |
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| 608 | Moston Brook Summary Report for the Evidence and Measures Project |
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| 609 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
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| 610 | Strategy for the use of field instrumentation in water quality monitoring |
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| 611 | Anthropogenic Influences on the temperature regime in a chalk river |
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| 612 | London's river (information pack on the River Thames) |
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| 613 | Water and the environment in times of drought |
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| 614 | Water and the environment in times of drought |
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| 615 | A strategy for the management of salmon in England and Wales |
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| 616 | Algae or sewage? : helping you tell the difference |
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| 617 | The Role Of Bankside Habitat In River Ecology |
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| 618 | Economic changes to the value of water environment : draft final report |
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| 619 | NRA superannuation report and accounts for the period ended 31 March 1990 |
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| 620 | Wash zone report. Part 1 : the Wash NRA monitoring review |
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| 621 | Broadland flood alleviation strategy : the programme for flood defence works |
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| 622 | Water quality 2000 : a strategy for the water quality function |
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| 623 | Computer files used in the calculation of Rutland and Grafham yields |
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| 624 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
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| 625 | The Restoration of Floodplain Woodlands in Lowland Britain |
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