| 651 | An investigation into the incidence of spurting from weeping wall slurry stores |
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| 652 | NRA superannuation report and accounts for the period ended 31 March 1991 |
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| 653 | Further guidance on the environmental assessment of projects |
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| 654 | Assessing the impact of dewatering on water resources |
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| 655 | The use and design of oil separators in surface water drainage systems |
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| 656 | The utilisation of stick-pile otter holts in south east Wales |
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| 657 | Improving the Environment Agency's contribution to wetland bird populations |
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| 658 | Groundwater-surface Water Interactions in the Hyporheic Zone |
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| 659 | Model Procedures for the Management of Land Contamination |
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| 660 | Improving the contribution of social science to Flood Risk Management |
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| 661 | The River Tywi catchment management plan : action plan (bilingual) |
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| 662 | Reappraisal of the River Lee to Wheathampstead Mill |
|---|
| 663 | Business requirement specification : integrated accounting system for the (IAS) |
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| 664 | A report on fish production in the National Rivers Authority |
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| 665 | Moston Brook Summary Report for the Evidence and Measures Project |
|---|
| 666 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
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| 667 | Strategy for the use of field instrumentation in water quality monitoring |
|---|
| 668 | Anthropogenic Influences on the temperature regime in a chalk river |
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| 669 | London's river (information pack on the River Thames) |
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| 670 | Water and the environment in times of drought |
|---|
| 671 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
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| 672 | Water and the environment in times of drought |
|---|
| 673 | A strategy for the management of salmon in England and Wales |
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| 674 | Algae or sewage? : helping you tell the difference |
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| 675 | The Role Of Bankside Habitat In River Ecology |
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