626 | Catches of migratory fish in the River Don, Aberdeenshire |
627 | Stream survey and assessment in the Ashford and Folkestone areas |
628 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
629 | The 1990 river and estuary classification survey of England and Wales |
630 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
631 | An Independent Review of the Defra/EA Research and Development Joint |
632 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
633 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
634 | General guide to the prevention of water pollution |
635 | Guidance for the Development of Housing on Land Affected by Contamination |
636 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
637 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
638 | Life cycle assessment of disposable and reusable nappies in the UK |
639 | Managing the social aspects of flooding: Synthesis Report |
640 | Model For Investigating The Impacts Of Groundwater Abstraction |
641 | National guidelines for the production of NRA regions 1990/91 regional plans |
642 | Operational mechanisms for the protection and enhancement of headwaters |
643 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
644 | Procurement legislation and the NRA : a brief guide |
645 | Strategic review of development and flood risk : the River Welland catchment |
646 | Strategic review of development and flood risk : the River Witham catchment |
647 | Survey of copper speciation in the Great Ouse estuary |
648 | Sustainable development indicators : monitoring change in the East Midlands |
649 | Technical Support Materials for the Regulation of Radioactively Contaminated Land |
650 | The impact of climate change on severe droughts: Implications for decision making |