626 | The Role Of Bankside Habitat In River Ecology |
627 | Economic changes to the value of water environment : draft final report |
628 | NRA superannuation report and accounts for the period ended 31 March 1990 |
629 | Broadland flood alleviation strategy : the programme for flood defence works |
630 | Computer files used in the calculation of Rutland and Grafham yields |
631 | Take to the water : a beginner's guide to boating on inland waterways |
632 | Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment |
633 | Wetlands for Wales : a strategy for the third millenium |
634 | The Impacts of flooding on urban and rural communities |
635 | The River Thame : catchment review : first draft - 16th Februrary 1996 |
636 | The relationship between turbidity and suspended solids in final effluents |
637 | General guide to the prevention of pollution of controlled water |
638 | The Environmental Impact of Fish Farming - A Review |
639 | Sustaining our resources : the way forward : summary document |
640 | The Removal of Technetium from EARP Waste Streams, Phase II |
641 | Benchmarking rainfall runoff models within the Anglian Region : final report |
642 | Cross border river basin districts and the Water Framework Directive |
643 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
644 | Evaluation of AN analytical sensors ammonium probe for the grant\YSI 3800 |
645 | Reduction in aldrin and dieldrin concentrations in the Newlyn River |
646 | Historic changes in the Upper River Ehen Catchment- Summary |
647 | Modelling the Dispersion of Radionuclides Following Short Duration Releases to Rivers |
648 | Roger Sweeting providing a commentary on The Tern |
649 | Policy and practice for the protection of groundwater |
650 | Water resources for the future : annual review 2003 |