626 | The use and design of oil separators in surface water drainage systems |
627 | The utilisation of stick-pile otter holts in south east Wales |
628 | Improving the Environment Agency's contribution to wetland bird populations |
629 | Groundwater-surface Water Interactions in the Hyporheic Zone |
630 | River water quality in the Midlands 1994/95 : water quality summary data |
631 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
632 | Improving the contribution of social science to Flood Risk Management |
633 | The River Tywi catchment management plan : action plan (bilingual) |
634 | Reappraisal of the River Lee to Wheathampstead Mill |
635 | A report on fish production in the National Rivers Authority |
636 | Moston Brook Summary Report for the Evidence and Measures Project |
637 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
638 | Strategy for the use of field instrumentation in water quality monitoring |
639 | User notes for the Deben groundwater modelling package |
640 | Anthropogenic Influences on the temperature regime in a chalk river |
641 | London's river (information pack on the River Thames) |
642 | Water and the environment in times of drought |
643 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
644 | Water and the environment in times of drought |
645 | A strategy for the management of salmon in England and Wales |
646 | Algae or sewage? : helping you tell the difference |
647 | The Role Of Bankside Habitat In River Ecology |
648 | NRA superannuation report and accounts for the period ended 31 March 1990 |
649 | Wash zone report. Part 1 : the Wash NRA monitoring review |
650 | Broadland flood alleviation strategy : the programme for flood defence works |