| 601 | Enhancing the environment : 25 case studies from Thames Region |
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| 602 | Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands |
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| 603 | Flood warning information for North Surrey : The Bournes catchment |
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| 604 | Improving the environment in Midlands region : Midlands local contribution 2006/11 |
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| 605 | England's river : a guide to the Thames from Remenham to Cookham |
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| 606 | Regulation of dioxin releases from the Runcorn operations of ICI and EVC |
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| 607 | Guidance on the application of environmental risk assessment for waste management licensing |
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| 608 | Partnership in environmental protection : schemes in the Midlands Region 1995 - 1996 |
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| 609 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 610 | An investigation into the incidence of spurting from weeping wall slurry stores |
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| 611 | NRA superannuation report and accounts for the period ended 31 March 1991 |
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| 612 | Further guidance on the environmental assessment of projects |
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| 613 | Assessing the impact of dewatering on water resources |
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| 614 | The use and design of oil separators in surface water drainage systems |
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| 615 | The utilisation of stick-pile otter holts in south east Wales |
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| 616 | Improving the Environment Agency's contribution to wetland bird populations |
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| 617 | Groundwater-surface Water Interactions in the Hyporheic Zone |
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| 618 | River water quality in the Midlands 1994/95 : water quality summary data |
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| 619 | Model Procedures for the Management of Land Contamination |
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| 620 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
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| 621 | Improving the contribution of social science to Flood Risk Management |
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| 622 | Reappraisal of the River Lee to Wheathampstead Mill |
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| 623 | Business requirement specification : integrated accounting system for the (IAS) |
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| 624 | A report on fish production in the National Rivers Authority |
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| 625 | Moston Brook Summary Report for the Evidence and Measures Project |
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