| 601 | Environmental assessment of selected abandoned minewaters in the North East region |
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| 602 | Conservation and development of the River Eden spring salmon population |
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| 603 | Flood warning information for North Surrey : The Bournes catchment |
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| 604 | Habitat preferences of the bullhead (Cottus gobio) in some Norfolk rivers |
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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 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 608 | An investigation into the incidence of spurting from weeping wall slurry stores |
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| 609 | NRA superannuation report and accounts for the period ended 31 March 1991 |
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| 610 | Further guidance on the environmental assessment of projects |
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| 611 | Assessing the impact of dewatering on water resources |
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| 612 | The use and design of oil separators in surface water drainage systems |
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| 613 | The utilisation of stick-pile otter holts in south east Wales |
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| 614 | Improving the Environment Agency's contribution to wetland bird populations |
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| 615 | Groundwater-surface Water Interactions in the Hyporheic Zone |
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| 616 | River water quality in the Midlands 1994/95 : water quality summary data |
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| 617 | Model Procedures for the Management of Land Contamination |
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| 618 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
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| 619 | Reappraisal of the River Lee to Wheathampstead Mill |
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| 620 | Business requirement specification : integrated accounting system for the (IAS) |
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| 621 | Moston Brook Summary Report for the Evidence and Measures Project |
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| 622 | Environmental planning issues in the North Wessex area |
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| 623 | Strategy for the use of field instrumentation in water quality monitoring |
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| 624 | Anthropogenic Influences on the temperature regime in a chalk river |
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| 625 | London's river (information pack on the River Thames) |
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